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By NASA
This animation depicts water disappearing over time in the Martian river valley Neretva Vallis, where NASA’s Perseverance Mars takes the rock sample named “Sapphire Canyon” from a rock called “Cheyava Falls,” which was found in the “Bright Angel” formation. Credit: NASA Lee este comunicado de prensa en español aquí.
A sample collected by NASA’s Perseverance Mars rover from an ancient dry riverbed in Jezero Crater could preserve evidence of ancient microbial life. Taken from a rock named “Cheyava Falls” last year, the sample, called “Sapphire Canyon,” contains potential biosignatures, according to a paper published Wednesday in the journal Nature.
A potential biosignature is a substance or structure that might have a biological origin but requires more data or further study before a conclusion can be reached about the absence or presence of life.
“This finding by Perseverance, launched under President Trump in his first term, is the closest we have ever come to discovering life on Mars. The identification of a potential biosignature on the Red Planet is a groundbreaking discovery, and one that will advance our understanding of Mars,” said acting NASA Administrator Sean Duffy. “NASA’s commitment to conducting Gold Standard Science will continue as we pursue our goal of putting American boots on Mars’ rocky soil.”
NASA’s Perseverance rover discovered leopard spots on a reddish rock nicknamed “Cheyava Falls” in Mars’ Jezero Crater in July 2024. Scientists think the spots may indicate that, billions of years ago, the chemical reactions in this rock could have supported microbial life; other explanations are being considered.Credit: NASA/JPL-Caltech/MSSS NASA’s Perseverance Mars rover took this selfie, made up of 62 individual images, on July 23, 2024. A rock nicknamed “Cheyava Falls,” which has features that may bear on the question of whether the Red Planet was long ago home to microscopic life, is to the left of the rover near the center of the image.Credit: NASA/JPL-Caltech/MSSS Perseverance came upon Cheyava Falls in July 2024 while exploring the “Bright Angel” formation, a set of rocky outcrops on the northern and southern edges of Neretva Vallis, an ancient river valley measuring a quarter-mile (400 meters) wide that was carved by water rushing into Jezero Crater long ago.
“This finding is the direct result of NASA’s effort to strategically plan, develop, and execute a mission able to deliver exactly this type of science — the identification of a potential biosignature on Mars,” said Nicky Fox, associate administrator, Science Mission Directorate at NASA Headquarters in Washington. “With the publication of this peer-reviewed result, NASA makes this data available to the wider science community for further study to confirm or refute its biological potential.”
The rover’s science instruments found that the formation’s sedimentary rocks are composed of clay and silt, which, on Earth, are excellent preservers of past microbial life. They also are rich in organic carbon, sulfur, oxidized iron (rust), and phosphorous.
“The combination of chemical compounds we found in the Bright Angel formation could have been a rich source of energy for microbial metabolisms,” said Perseverance scientist Joel Hurowitz of Stony Brook University, New York and lead author of the paper. “But just because we saw all these compelling chemical signatures in the data didn’t mean we had a potential biosignature. We needed to analyze what that data could mean.”
First to collect data on this rock were Perseverance’s PIXL (Planetary Instrument for X-ray Lithochemistry) and SHERLOC (Scanning Habitable Environments with Raman & Luminescence for Organics & Chemicals) instruments. While investigating Cheyava Falls, an arrowhead-shaped rock measuring 3.2 feet by 2 feet (1 meter by 0.6 meters), they found what appeared to be colorful spots. The spots on the rock could have been left behind by microbial life if it had used the raw ingredients, the organic carbon, sulfur, and phosphorus, in the rock as an energy source.
In higher-resolution images, the instruments found a distinct pattern of minerals arranged into reaction fronts (points of contact where chemical and physical reactions occur) the team called leopard spots. The spots carried the signature of two iron-rich minerals: vivianite (hydrated iron phosphate) and greigite (iron sulfide). Vivianite is frequently found on Earth in sediments, peat bogs, and around decaying organic matter. Similarly, certain forms of microbial life on Earth can produce greigite.
The combination of these minerals, which appear to have formed by electron-transfer reactions between the sediment and organic matter, is a potential fingerprint for microbial life, which would use these reactions to produce energy for growth. The minerals also can be generated abiotically, or without the presence of life. Hence, there are ways to produce them without biological reactions, including sustained high temperatures, acidic conditions, and binding by organic compounds. However, the rocks at Bright Angel do not show evidence that they experienced high temperatures or acidic conditions, and it is unknown whether the organic compounds present would’ve been capable of catalyzing the reaction at low temperatures.
The discovery was particularly surprising because it involves some of the youngest sedimentary rocks the mission has investigated. An earlier hypothesis assumed signs of ancient life would be confined to older rock formations. This finding suggests that Mars could have been habitable for a longer period or later in the planet’s history than previously thought, and that older rocks also might hold signs of life that are simply harder to detect.
“Astrobiological claims, particularly those related to the potential discovery of past extraterrestrial life, require extraordinary evidence,” said Katie Stack Morgan, Perseverance’s project scientist at NASA’s Jet Propulsion Laboratory in Southern California. “Getting such a significant finding as a potential biosignature on Mars into a peer-reviewed publication is a crucial step in the scientific process because it ensures the rigor, validity, and significance of our results. And while abiotic explanations for what we see at Bright Angel are less likely given the paper’s findings, we cannot rule them out.”
The scientific community uses tools and frameworks like the CoLD scale and Standards of Evidence to assess whether data related to the search for life actually answers the question, Are we alone? Such tools help improve understanding of how much confidence to place in data suggesting a possible signal of life found outside our own planet.
Marked by seven benchmarks, the Confidence of Life Detection, or CoLD, scale outlines a progression in confidence that a set of observations stands as evidence of life. Credit: NASA Sapphire Canyon is one of 27 rock cores the rover has collected since landing at Jezero Crater in February 2021. Among the suite of science instruments is a weather station that provides environmental information for future human missions, as well as swatches of spacesuit material so that NASA can study how it fares on Mars.
Managed for NASA by Caltech, NASA JPL built and manages operations of the Perseverance rover on behalf of the agency’s Science Mission Directorate as part of NASA’s Mars Exploration Program portfolio.
To learn more about Perseverance visit:
https://science.nasa.gov/mission/mars-2020-perseverance
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Bethany Stevens / Karen Fox
Headquarters, Washington
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bethany.c.stevens@nasa.gov / karen.c.fox@nasa.gov
DC Agle
Jet Propulsion Laboratory, Pasadena, Calif.
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agle@jpl.nasa.gov
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Last Updated Sep 10, 2025 EditorJessica TaveauLocationNASA Headquarters Related Terms
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By USH
Everything we know about 3I/ATLAS to date:
On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) station at Río Hurtado, Chile, detected something extraordinary: a fast-moving object flagged with the provisional designation A11pl3Z, later named 3I/ATLAS, also cataloged as C/2025 N1 (ATLAS).
At first glance, it was classified as a comet. But almost immediately, astronomers realized that this visitor was anything but ordinary.
3I/ATLAS imaged by the James Webb Space Telescope's NIRSpec on 6 August 2025.
Why 3I/ATLAS is different.
1. Interstellar Origins Like ʻOumuamua (1I/2017 U1) and Borisov (2I/2019 Q4) before it, 3I/ATLAS is only the third confirmed interstellar object to enter our solar system. Its steep hyperbolic orbit—with an eccentricity greater than 1.02—proves it is not gravitationally bound to the Sun.
2. A Composition Unlike Any Comet Most comets are rich in water ice. Not 3I/ATLAS. Spectroscopic analysis from both the Hubble Space Telescope and James Webb Space Telescope (JWST) revealed it is dominated by carbon dioxide with one of the highest CO₂-to-water ratios ever measured. This makes it chemically alien compared to the comets that formed in our own solar system.
3. A Tail That Breaks the Rules Comets typically sprout tails pointing away from the Sun, driven by sublimating ice. 3I/ATLAS, however, displays a dust plume angled toward the Sun—a tail in the “wrong” direction. This phenomenon has never been observed in a natural comet and suggests either unusual physics or engineered behavior.
4. Perfectly Aligned Trajectory Instead of cutting randomly across the solar system, 3I/ATLAS travels almost exactly along the ecliptic plane, the flat orbital path where Earth, Mars, and most of the planets reside. Statistically, the odds of a random interstellar object aligning this precisely are less than 0.005%.
5. Unexplained Acceleration Data from radar tracking and JWST confirm subtle but persistent non-gravitational acceleration. Normally, such changes are explained by outgassing jets. Yet Webb detects no coma, no jets, no thermal signature to explain the push. Instead, the acceleration resembles controlled propulsion, similar to how an ion engine expels dust or gas for thrust.
6. Forward-Facing Glow: Instead of a tail behind it, 3I/ATLAS shines with a glow ahead of its motion, almost as if it were illuminating its path.
7. Stabilized Rotation: Unlike natural tumbling comets, it appears to maintain attitude control, consistent with artificial stabilization.
8. Speculations of nuclear propulsion: Harvard astrophysicist Avi Loeb, already known for his bold ʻOumuamua interpretations, has highlighted its non-gravitational acceleration and trajectory. He even speculated that 3I/ATLAS might be nuclear-powered technology, perhaps venting dust as thrust.
9. 3I/ATLAS will not simply zip past and leave. Its calculated path takes it past several key planets: Venus flyby – August 2025 Mars encounter – September 2025 Jupiter flyby – late 2026
Tilted view of 3I/ATLAS's trajectory through the Solar System, with orbits and positions of planets shown. Such a sequence of planetary passes looks less like coincidence and more like a deliberate survey trajectory.
Finally, on October 30, 2025, the object will reach perihelion, its closest approach to the Sun. Crucially, at that moment it will be hidden directly behind the Sun from Earth’s perspective, a perfect opportunity for a stealth maneuver if it is indeed under intelligent control.
10. And the latest news on this object is that 3I/ATLAS shows signs of alien electroplating. Astronomers using the Very Large Telescope (VLT) in Chile have detected something never before seen in a natural comet, a plume of pure nickel gas, laced with cyanide, but completely lacking iron.
This is not how comets behave. In every known case, nickel and iron are paired together in space rocks, asteroids, and cosmic debris. The absence of iron in 3I/ATLAS makes it impossible to explain through natural processes.
The nickel-cyanide combination looks eerily familiar to something we know from human technology: nickel-cyanide electroplating. This industrial process is used to coat and protect metals like iron, creating a corrosion-resistant shell. When heated, such a coating releases nickel vapor and cyanide gas, the exact chemical fingerprint astronomers now see venting from 3I/ATLAS.
Renowned astrophysicist Avi Loeb has already highlighted this bizarre discovery, stressing that the nickel-only signature matches industrial alloy production rather than anything we’d expect from natural comet chemistry.
Pure nickel without iron: impossible in natural comets. Nickel + cyanide plume: matches electroplated coatings. Artificial signature: hallmark of industrial processes.
Putting it all together, so far: It is an interstellar visitor on a hyperbolic escape path. It has a carbon dioxide–dominated composition, nearly devoid of water. It has a dust plume points toward the Sun, breaking cometary rules. It has a trajectory which is perfectly aligned with the ecliptic plane. It shows mysterious acceleration without visible outgassing. It exhibits a forward glow, possible radio emissions, and signs of stabilization. It will perform planetary flybys. It probably has nuclear propulsion. It has an electroplated shell.
Mainstream astronomers remain cautious, still labeling 3I/ATLAS as a comet, but with mounting evidence, we may be staring at the first tangible proof of alien technology crossing our solar system, a probe from another civilization on a reconnaissance mission, silently mapping habitable worlds before making contact.View the full article
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By USH
The first video, beginning around the 1:02 mark, was captured on a dash cam while driving eastbound on a four-lane freeway. Suddenly, a large triangular craft entered the frame, flying approximately 300 to 400 feet above the road.
Although the exact location remains unknown, the sighting is remarkable for its level of visible detail:
A blinking light with two dull orange lights in the center. A large circular feature on the underside, possibly an energy source. A distinctly aerodynamic triangular design. What appears to be an energy field or interference surrounding the craft. An estimated width of 75 to 100 feet, with no audible sound, suggesting non-conventional technology.
When viewed in slow motion, the footage stands out as one of the most striking nighttime captures to date, raising the question: is this a black-budget military project, or evidence of something extraterrestrial? Interestingly, the triangular craft bears a strong resemblance to the rumored TR-3B black manta, an alleged anti-gravity alien reproduction vehicle.
Additional almost similar sightings in Texas and Florida.
Austin, Texas: A dark craft hovering silently in the night sky, completely stationary throughout the entire recording. Sarasota, Florida: Three energy sources forming a triangular pattern while hovering in the night sky. It looks like it could be one of those triangle crafts.
Today, many aerial craft, whether human-made or not, are observed using technologies that remain beyond our current understanding.
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By NASA
4 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Dwarf planet Ceres is shown in these enhanced-color renderings that use images from NASA’s Dawn mission. New thermal and chemicals models that rely on the mission’s data indicate Ceres may have long ago had conditions suitable for life.NASA/JPL-Caltech/UCLA/MPS/DLR/IDA The dwarf planet is cold now, but new research paints a picture of Ceres hosting a deep, long-lived energy source that may have maintained habitable conditions in the past.
New NASA research has found that Ceres may have had a lasting source of chemical energy: the right types of molecules needed to fuel some microbial metabolisms. Although there is no evidence that microorganisms ever existed on Ceres, the finding supports theories that this intriguing dwarf planet, which is the largest body in the main asteroid belt between Mars and Jupiter, may have once had conditions suitable to support single-celled lifeforms.
Science data from NASA’s Dawn mission, which ended in 2018, previously showed that the bright, reflective regions on Ceres’ surface are mostly made of salts left over from liquid that percolated up from underground. Later analysis in 2020 found that the source of this liquid was an enormous reservoir of brine, or salty water, below the surface. In other research, the Dawn mission also revealed evidence that Ceres has organic material in the form of carbon molecules — essential, though not sufficient on its own, to support microbial cells.
The presence of water and carbon molecules are two critical pieces of the habitability puzzle on Ceres. The new findings offer the third: a long-lasting source of chemical energy in Ceres’ ancient past that could have made it possible for microorganisms to survive. This result does not mean that Ceres had life, but rather, that there likely was “food” available should life have ever arisen on Ceres.
This illustration depicts the interior of dwarf planet Ceres, including the transfer of water and gases from the rocky core to a reservoir of salty water. Carbon dioxide and methane are among the molecules carrying chemical energy beneath Ceres’ surface.NASA/JPL-Caltech In the study, published in Science Advances on Aug. 20, the authors built thermal and chemical models mimicking the temperature and composition of Ceres’ interior over time. They found that 2.5 billion years or so ago, Ceres’ subsurface ocean may have had a steady supply of hot water containing dissolved gases traveling up from metamorphosed rocks in the rocky core. The heat came from the decay of radioactive elements within the dwarf planet’s rocky interior that occurred when Ceres was young — an internal process thought to be common in our solar system.
“On Earth, when hot water from deep underground mixes with the ocean, the result is often a buffet for microbes — a feast of chemical energy. So it could have big implications if we could determine whether Ceres’ ocean had an influx of hydrothermal fluid in the past,” said Sam Courville, lead author of the study. Now based at Arizona State University in Tempe, he led the research while working as an intern at NASA’s Jet Propulsion Laboratory in Southern California, which also managed the Dawn mission.
Catching Chill
The Ceres we know today is unlikely to be habitable. It is cooler, with more ice and less water than in the past. There is currently insufficient heat from radioactive decay within Ceres to keep the water from freezing, and what liquid remains has become a concentrated brine.
The period when Ceres would most likely have been habitable was between a half-billion and 2 billion years after it formed (or about 2.5 billion to 4 billion years ago), when its rocky core reached its peak temperature. That’s when warm fluids would have been introduced into Ceres’ underground water.
The dwarf planet also doesn’t have the benefit of present-day internal heating generated by the push and pull of orbiting a large planet, like Saturn’s moon Enceladus and Jupiter’s moon Europa do. So Ceres’ greatest potential for habitability-fueling energy was in the past.
This result has implications for water-rich objects throughout the outer solar system, too. Many of the other icy moons and dwarf planets that are of similar size to Ceres (about 585 miles, or 940 kilometers, in diameter) and don’t have significant internal heating from the gravitational pull of planets could have also had a period of habitability in their past.
More About Dawn
A division of Caltech in Pasadena, JPL managed Dawn’s mission for NASA’s Science Mission Directorate in Washington. Dawn was a project of the directorate’s Discovery Program, managed by NASA’s Marshall Space Flight Center in Huntsville, Alabama. JPL was responsible for overall Dawn mission science. Northrop Grumman in Dulles, Virginia, designed and built the spacecraft. The German Aerospace Center, Max Planck Institute for Solar System Research, Italian Space Agency and Italian National Astrophysical Institute were international partners on the mission team.
For a complete list of mission participants, visit:
https://solarsystem.nasa.gov/missions/dawn/overview/
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Gretchen McCartney
Jet Propulsion Laboratory, Pasadena, Calif.
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Last Updated Aug 20, 2025 Related Terms
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By USH
The weight of the gods was crushing, their toil beyond endurance. Let the burden pass to humankind! So speak the oldest verses carved into clay, a fragment from the Atrahasis tale of Mesopotamia. Yet what if these divine figures were not simply legends? What if the stories hint at something far older and stranger than we have allowed ourselves to believe? The name Anunnaki comes from the etched symbols of Sumerian records, their lines recounting the deeds of deities who shaped the world and watched over the Earth.
From the cradle of ancient Mesopotamia comes a story older than any empire, etched into clay tablets and whispered through time: the tale of the Anunnaki. Were they gods, symbols, or something far stranger visitors from beyond the stars who shaped human civilization? The myths of Sumer speak of creation, rebellion, giants, and a great flood. But when paired with the ancient astronaut theory, these legends take on a new dimension, one that could rewrite human history.
Who were the Anunnaki? In the ancient Sumerian texts of Mesopotamia, they are described as the offspring of An, the sky god, and Ki, the earth goddess. Their names appear across the Atrahasis epic, the Enuma Elish, the Epic of Gilgamesh, and the Sumerian King List, etched into clay tablets more than 4,000 years ago.
To mainstream historians, the Anunnaki are mythological gods. Yet in the ancient astronaut theory, they were real beings, extraterrestrial visitors who shaped early civilization.
Author Zecharia Sitchin popularized the idea that the Anunnaki came from Nibiru, a hidden “twelfth planet” on a long, elliptical orbit. According to his interpretation of Sumerian records, the Anunnaki faced an environmental crisis. Their planet’s atmosphere was failing, and the solution they sought was gold, which could be ground into particles and suspended as a shield.
This quest for survival brought them to Earth more than 400,000 years ago. They mined resources, altered life, and may even have engineered humanity itself.
The tablets describe how the lesser gods, the Igigi, were forced into back-breaking labor until they rebelled. To replace them, the Anunnaki created humans.
In myth, mankind was formed from clay mixed with divine blood. In Sitchin’s interpretation, this was genetic engineering: the fusion of Anunnaki DNA with Homo erectus. The first prototype was Adamu, a name that echoes the biblical Adam.
The Sumerian “Edin,” later mirrored in the Hebrew Eden, may not have been a paradise garden but an Anunnaki laboratory outpost.
Two Anunnaki brothers shaped humanity’s destiny: Enki – the god of wisdom and waters, often seen as humanity’s ally, granting knowledge. Enlil – stern and authoritarian, seeking control and fearing that humans might grow too powerful. Their rivalry runs through Mesopotamian myth, influencing stories of divine punishment, survival, and human struggle.
Over time, some Anunnaki defied the rules and took human women as partners. Their offspring were the Nephilim, giants and “mighty men of renown.” The Book of Enoch calls their fathers the Watchers, led by Shemyaza.
According to the stories, these hybrids grew violent, corrupted the world, and became uncontrollable. The solution was drastic: a great flood to wipe the Earth clean.
The Atrahasis epic, the story of Utnapishtim in the Epic of Gilgamesh, and the biblical Noah all describe the same event: a chosen man warned by a god, a vessel built to preserve life, animals carried aboard, and birds released to find land. Humanity survived, but weaker, with shorter lifespans, and forever changed.
Supporters of the ancient astronaut theory believe the Anunnaki left traces in stone:
Mesopotamian ziggurats – described as “bonds between heaven and earth,” possibly landing platforms.
The Great Pyramid of Giza – aligned to true north, massive in scale, theorized as a power plant or beacon rather than a tomb.
Megalithic monuments worldwide – stone circles, cyclopean walls, and sacred sites possibly linked to Anunnaki influence.
The Sumerian King List also suggests a divine legacy, describing rulers with lifespans of thousands of years, perhaps evidence of semi-divine hybrids.
Mainstream archaeology sees the Anunnaki as symbolic deities, metaphors for cosmic order and human struggle. But in alternative history, they were real beings, extraterrestrial visitors from Nibiru, who shaped civilization, taught astronomy, metallurgy, agriculture, and law, and left their mark in myths and monuments that endure to this day.
Explore the mystery of the Anunnaki—Sumerian gods, Nibiru, genetic engineering, Nephilim, the Great Flood, and the ancient astronaut theory in the video below.
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