NASA
The National Aeronautics and Space Administration is an independent agency of the U.S. federal government responsible for the civilian space program, as well as aeronautics and space research.
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NASA astronaut and Expedition 72 Flight Engineer Don Pettit sets up camera hardware to photograph research activities inside the International Space Station’s Kibo laboratory module on March 15, 2025.Credit: NASA Media are invited to a news conference at 2 p.m. EDT Monday, April 28, at NASA’s Johnson Space Center in Houston where astronaut Don Pettit will share details of his recent mission aboard the International Space Station. The news conference will stream live on NASA’s website. Learn how to stream NASA content through a variety of platforms. To participate in person, U.S. media must contact the NASA Johnson newsroom no later than 5 p.m. Thursday, April 24…
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Explore Hubble Science Hubble Space Telescope Eye on Infinity: NASA… Hubble Home Overview About Hubble The History of Hubble Hubble Timeline Why Have a Telescope in Space? Hubble by the Numbers At the Museum FAQs Impact & Benefits Hubble’s Impact & Benefits Science Impacts Cultural Impact Technology Benefits Impact on Human Spaceflight Astro Community Impacts Science Hubble Science Science Themes Science Highlights Science Behind Discoveries Hubble’s Partners in Science Universe Uncovered Explore the Night Sky Observatory Hubble Observatory Hubble Design Mission Operations Missions to Hubble Hubble vs Webb Team Hubble Team Career Aspirations…
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How Are We Made of Star Stuff? We Asked a NASA Expert
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2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Syncom Space Services employees Kenneth Shipman, left, and Jesse Yarbrough perform final tubing install in early March to prepare the interstage simulator gas system on the Thad Cochran Test Stand at NASA’s Stennis Space Center for leak checks. Leak checks were performed prior to activation of the gas system this month. The activation marks a milestone in preparation for future Green Run testing of NASA’s exploration upper stage (EUS) in the B-2 position of the Thad Cochran Test Stand.NASA/Danny Nowlin …
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Explore This Section RPS Home About About RPS About the Program About Plutonium-238 Safety and Reliability For Mission Planners Contact Power & Heat Overview Power Systems Thermal Systems Dynamic Radioisotope Power Missions Overview Timeline News Resources STEM FAQ 3 min read Nine Finalists Advance in NASA’s Power to Explore Challenge The logo for the 2024-2025 Radioisotope Power Systems Power to Explore student essay contest. Credits: NASA/David Lam NASA has named nine finalists out of the 45 semifinalist student essays in the Power to Explore Challenge, a national writing competition for K-12 students featuring the enabling power of…
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2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA was recognized today by the 29th Annual Webby Awards with six Webby Awards and six Webby People’s Voice Awards, the latter of which are awarded by the voting public. The Webbys honors excellence in eight major media types: websites and mobile sites; video and film; advertising, media and public relations; apps and software; social; podcasts; artificial intelligence, immersive and games; and creators. NASA has always been at the forefront of innovation, and that extends to our digital presence. These Webby Awards recognize the dedication and creativi…
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5 Min Read Planetary Alignment Provides NASA Rare Opportunity to Study Uranus Artist's illustration showing a distant star going out of sight as it is eclipsed by Uranus – an event known as a planetary stellar occultation. Credits: NASA/Advanced Concepts Laboratory When a planet’s orbit brings it between Earth and a distant star, it’s more than just a cosmic game of hide and seek. It’s an opportunity for NASA to improve its understanding of that planet’s atmosphere and rings. Planetary scientists call it a stellar occul…
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2 min read First Results from the Eclipse Soundscapes Project: Webinar on May 7 How do the sudden darkness and temperature changes of a solar eclipse impact life on Earth? The Eclipse Soundscapes project invited you to document changes in the environment during the week of the April 8, 2024 total solar eclipse, using your own senses or an audiomoth sound recorder. Thanks to your participation, the Eclipse Soundscapes team collected 25 terabytes of audio data during the 2023 and 2024 solar eclipses. “It was really empowering for me to participate in a scientific research study with my son beside me so he could see how scientific data can be (collected),” said on…
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NASA The Sun’s glint beams off a partly cloudy Atlantic Ocean just after sunrise as the International Space Station orbited 263 miles above on March 5, 2025. The space station serves as a unique platform for observing Earth with both hands-on and automated equipment. Station crew members have produced hundreds of thousands of images, recording phenomena such as storms in real time, observing natural events such as volcanic eruptions as they happen, and providing input to ground personnel for programming automated Earth-sensing systems. NASA has been observing Earth from space for more than 60 years, with cutting-edge scientific technology that can revolutionize our …
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3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) A researcher inspects the interior of a male American horseshoe crab at NASA’s Kennedy Space Center in Florida. Known scientifically as Limulus polyphemus, the American horseshoe crab is vital to researchers’ understanding of the overall health of NASA Kennedy’s ecosystem.NASA They’re known as “living fossils”. For over 450 million years, horseshoe crabs have been an ecologically vital part of our planet. They’re one of the few surviving species on Earth dating back to the dinosaurs. At NASA’s Kennedy Space Center in Florida, the American horseshoe crab (Limulus polyphemus) is one o…
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Seeing Earth as Only NASA Can
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4 min read Entrepreneurs Challenge Winner PRISM is Using AI to Enable Insights from Geospatial Data PRISM’s platform uses AI segmentation to identify and highlight residential structures in a neighborhood. NASA sponsored Entrepreneurs Challenge events in 2020, 2021, and 2023 to invite small business start-ups to showcase innovative ideas and technologies with the potential to advance the agency’s science goals. To potentially leverage external funding sources for the development of innovative technologies of interest to NASA, SMD involved the venture capital community in Entrepreneurs Challenge events. Challenge winners were awarded prize money, and in 2023 the…
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4 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Researchers use a flat aerogel array antenna to communicate with a geostationary satellite above the Earth during tests at NASA’s Glenn Research Center in Cleveland.Credit: NASA/Jordan Cochran NASA engineers are using one of the world’s lightest solid materials to construct an antenna that could be embedded into the skin of an aircraft, creating a more aerodynamic and reliable communication solution for drones and other future air transportation options. Developed by NASA, this ultra-lightweight aerogel antenna is designed to enable satellite communications where power and space are li…
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NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer), a space telescope, is situated on a work stand ahead of prelaunch operations at the Astrotech Processing Facility at Vandenberg Space Force Base in California on Jan. 16, 2025.Credit: BAE Systems/Benjamin Fry Members of the team behind NASA’s newest space telescope will ring the New York Stock Exchange closing bell in New York City at 4 p.m. EDT on Tuesday, April 22. The team helped build, launch, and operates NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) mission to explore the origins of the univers…
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U.S. Spacewalk 93
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4 min read NASA’s Lucy Spacecraft Images Asteroid Donaldjohanson In its second asteroid encounter, NASA’s Lucy spacecraft obtained a close look at a uniquely shaped fragment of an asteroid that formed about 150 million years ago. The spacecraft has begun returning images that were collected as it flew approximately 600 miles (960 km) from the asteroid Donaldjohanson on April 20, 2025. The asteroid Donaldjohanson as seen by the Lucy Long-Range Reconnaissance Imager (L’LORRI) on NASA’s Lucy spacecraft during its flyby. This timelapse shows images captured approximately every 2 seconds beginning at 1:50 p.m. EDT (17:50 UTC), April 20, 2025. The asteroid rotates very…
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NASA’s James Webb Space Telescope has taken the most detailed image of planetary nebula NGC 1514 to date thanks to its unique mid-infrared observations. Webb shows its rings as intricate clumps of dust. It’s also easier to see holes punched through the bright pink central region.NASA, ESA, CSA, STScI, Michael Ressler (NASA-JPL), Dave Jones (IAC) In this photo released on April 14, 2025, NASA’s James Webb Space Telescope revealed the gas and dust ejected by a dying star at the heart of NGC 1514. Using mid-infrared data showed the “fuzzy” clumps arranged in tangled patterns, and a network of clearer holes close to the central stars shows where faster material punched thro…
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NASA's SpaceX 32nd Commercial Resupply Services Rendezvous and Docking
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3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA’s Earth Day Poster for 2025 uses imagery from the Landsat mission — a joint mission with USGS — to celebrate our home planet. NASA/USGS/Landsat From the iconic image of Earthrise taken by Apollo 8 crew, to the famous Pale Blue Dot image of Earth snapped by Voyager I spacecraft, to state-of-the-art observations of our planet by new satellites such as PACE (Plankton, Aerosol, Cloud, ocean Ecosystem), NASA has given us novel ways to see our home. This Earth Day, NASA is sharing how — by building on decades of innovation—we use the unique vantage point of space to observe and understand ou…
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Curiosity Navigation Curiosity Home Mission Overview Where is Curiosity? Mission Updates Science Overview Instruments Highlights Exploration Goals News and Features Multimedia Curiosity Raw Images Images Videos Audio Mosaics More Resources Mars Missions Mars Sample Return Mars Perseverance Rover Mars Curiosity Rover MAVEN Mars Reconnaissance Orbiter Mars Odyssey More Mars Missions Mars Home 3 min read Sols 4515-4517: Silver Linings This image was taken by Left Navigation Camera onboard NASA’s Mars rover Curiosity on Sol 4514 NASA/JPL-Caltech Written by Lucy Thompson, Planetary Geologist at University of New Brunswick Earth planning da…
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A SpaceX Falcon 9 rocket carrying a Dragon spacecraft lifts off from Launch Complex 39A at NASA’s Kennedy Space Center in Florida at 4:15 a.m. EDT on April 21 2025, on the company’s 32nd commercial resupply services mission for the agency to the International Space Station.Credit: NASA Following the successful launch of NASA’s SpaceX 32nd Commercial Resupply Services mission, new scientific experiments and supplies are bound for the International Space Station. The SpaceX Dragon spacecraft, carrying approximately 6,700 pounds of cargo to the orbiting laboratory for NASA, lifted off at 4:15 a.m. EDT Monday, on the company’s Falcon 9 rocket from Launch Complex 39A at …
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The Soyuz MS-26 spacecraft is seen as it lands in a remote area near the town of Zhezkazgan, Kazakhstan with Expedition 72 NASA astronaut Don Pettit, and Roscosmos cosmonauts Alexey Ovchinin and Ivan Vagner aboard, April 19, 2025 (April 20, 2025, Kazakhstan time). The trio are returning to Earth after logging 220 days in space as members of Expeditions 71 and 72 aboard the International Space Station.NASA/Bill Ingalls NASA astronaut Don Pettit returned to Earth Saturday, accompanied by Roscosmos cosmonauts Alexey Ovchinin and Ivan Vagner, concluding a seven-month science mission aboard the International Space Station. The trio departed the space station at 5:57 p.m.…
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ESA/Hubble & NASA, K. Noll This newly reprocessed image released on April 18, 2025, provides a new view of an enormous, 9.5-light-year-tall pillar of cold gas and dust. Despite its size, it’s just one small piece of the greater Eagle Nebula, also called Messier 16. The Eagle Nebula is one of many nebulae in the Milky Way that are known for their sculpted, dusty clouds. Nebulae take on these fantastic shapes when exposed to powerful radiation and winds from infant stars. Regions with denser gas are more able to withstand the onslaught of radiation and stellar winds from young stars, and these dense areas remain as dusty sculptures like the starry pillar shown her…
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NASA astronauts work to retrieve batteries and adapter plates from an external pallet during a spacewalk to upgrade the International Space Station’s power storage capacity.Credit: NASA Two NASA astronauts will venture outside the International Space Station, conducting U.S. spacewalk 93 on Thursday, May 1, to complete station upgrades. NASA will preview the upcoming spacewalk during a news conference at 2 p.m. EDT on Thursday, April 24, on the agency’s website from NASA’s Johnson Space Center in Houston. Learn how to watch NASA content through a variety of platforms, including social media. Participants in the news conference include: Bill Spetch, operatio…
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1 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Back to ECF Home Transformational Advanced Energetic Propulsion Omid Beik Colorado School of Mines Development of a MW-Scale High-Voltage Multiphase Dual-Rotor Generator and Rectifier for a PMAD in an NEP System Ognjen Ilic University of Minnesota Concept Demonstration of Directed Energy Propulsion with Metasurface Lightsails Kenshiro Oguri Purdue University Origami-inspired Diffractive Sail for Directed Energy Propulsion Thomas Underwood University of Texas, Austin Stabilized Z-Pinch Fusion Driven Electromagnetic Propulsion Power Systems to Enable Small System Operatio…
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