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.
5,948 topics in this forum
-
- 0 replies
- 318 views
Credit: NASA NASA has selected Sierra Lobo, Inc. of Fremont, Ohio, to provide for test operations, test support, and technical system maintenance activities at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. The NASA Stennis Test Operations Contract is fixed-price, level-of-effort contract that has a value of approximately $47 million. The performance period begins July 1, 2025, and extends three years, with a one-year base period and two one-year option periods. The contract will provide test operations support for customers in the NASA Stennis test complex. It also will cover the operation and technical systems maintenance of the high-pressure ind…
Last reply by NASA, -
NASA Read this story in English here. La Estación Espacial Internacional es el hogar de la humanidad en el espacio y una estación de investigación que gira en órbita sobre la Tierra a unos 400 kilómetros (250 millas) de altura. La NASA y sus socios internacionales han mantenido una presencia humana continua a bordo de la estación espacial durante más de 24 años, haciendo investigaciones que no es posible realizar en la Tierra. La gente que vive y trabaja a bordo de este laboratorio en microgravedad también forma parte de las investigaciones que se llevan a cabo, y ellos ayudan a abordar complejos problemas de la salud humana en la Tierra y preparan a la humanida…
Last reply by NASA, -
- 0 replies
- 130 views
NASA astronaut and Expedition 72 Flight Engineer Nick Hague pedals on the Cycle Ergometer with Vibration Isolation and Stabilization (CEVIS), an exercise cycle located aboard the International Space Station’s Destiny laboratory module. CEVIS provides aerobic and cardiovascular conditioning through recumbent (leaning back position) or upright cycling activities.NASA Lee esta historia en español aquí. The International Space Station is humanity’s home in space and a research station orbiting about 250 miles above the Earth. NASA and its international partners have maintained a continuous human presence aboard the space station for more than 24 years, conducting r…
Last reply by NASA, -
- 0 replies
- 157 views
NASA/JPL-Caltech This Oct. 4, 2017, illustration shows a hypothetical uneven ring of dust orbiting KIC 8462852, also known as Boyajian’s Star or Tabby’s Star. The star has experienced unusual dips in brightness over a matter of days, as well as much subtler but longer-term dimming trends. Scientists proposed several explanations for this unexpected behavior, ranging from Tabby’s Star swallowing a planet to alien “megastructures” harvesting the star’s energy. However, a study using NASA’s Spitzer and Swift missions as well as the Belgian AstroLAB IRIS observatory suggests that the cause of the dimming over long periods is likely an uneven dust cloud moving around the sta…
Last reply by NASA, -
- 0 replies
- 143 views
3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video A 3D simulation showing the evolution of turbulent flows in the upper layers of the Sun. The more saturated and bright reds represent the most vigorous upward or downward twisting motions. Clear areas represent areas where there is only relatively slow up-flows, with very little twisting.NASA/Irina Kitiashvili and Timothy A. Sandstrom NASA supercomputers are shedding light on what causes some of the Sun’s most complex behaviors. Using data from the suite of active Sun-watching…
Last reply by NASA, -
- 0 replies
- 191 views
4 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) The mystery of why life uses molecules with specific orientations has deepened with a NASA-funded discovery that RNA — a key molecule thought to have potentially held the instructions for life before DNA emerged — can favor making the building blocks of proteins in either the left-hand or the right-hand orientation. Resolving this mystery could provide clues to the origin of life. The findings appear in research recently published in Nature Communications. Proteins are the workhorse molecules of life, used in everything from structures like hair to enzymes (catalysts that speed up or reg…
Last reply by NASA, -
- 0 replies
- 194 views
Hubble Space Telescope Home NASA’s Hubble Finds… Hubble Space Telescope 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 Aspirati…
Last reply by NASA, -
- 0 replies
- 106 views
1 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Back to ESI Home Computational Materials Engineering for Lunar Metals Welding Azadeh Haghighi University of Illinois, Chicago Weld-ASSIST: Weldability Assessment for In-Space Conditions using a Digital Twin Wei Li University of Texas at Dallas Integrated Computational Materials Modelling Framework for Investigating the Process-Structure-Property Linkage of the Lunar Metal Welding with Internal Defects Passive Lunar Dust Control through Advanced Materials and Surface Engineering SungWoo Nam University of California, Irvine Deformable Crumpled Nano-ball Coatings with Adapt…
Last reply by NASA, -
- 0 replies
- 136 views
2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) ESI24 Haghighi Quadchart Azadeh Haghighi University of Illinois, Chicago In-space manufacturing and assembly are vital to NASA’s long-term exploration goals, especially for the Moon and Mars missions. Deploying welding technology in space enables the assembly and repair of structures, reducing logistical burdens and supply needs from Earth. The unique challenges and extreme conditions of space–high thermal variations, microgravity, and vacuum–require advanced welding techniques and computational tools to ensure reliability, repeatability, safety, and structural integrity in one-shot …
Last reply by NASA, -
1 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) ESI24 Li Quadchart Wei Li University of Texas at Dallas Internal defects are always formed in laser welding process due to the keyhole instability, molten pool collapse, and rapid solidification. The extreme lunar environment complicates the reliable implementation of welding, thereby enhancing the welding defects formation. The welding defects are critical material barriers preventing the metal components from Moon exploration. Professor Wei Li’s team will establish an integrated computational materials modelling framework to study the process-structure-property linkage of laser wel…
Last reply by NASA, -
2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) ESI24 Nam Quadchart SungWoo Nam University of California, Irvine Lunar dust may seem unimposing, but it presents a significant challenge for space missions. Its abrasive and jagged particles can damage equipment, clog devices, and even pose health risks to astronauts. This project addresses such issues by developing advanced coatings composed of crumpled nano-balls made from atomically thin 2D materials such as MoS₂, graphene, and MXenes. By crumpling these nanosheets—much like crumpling a piece of paper—we create compression and aggregation resistant particles that can be dispersed …
Last reply by NASA, -
- 0 replies
- 143 views
1 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) ESI24 Chang Quadchart Chih-Hao Chang University of Texas at Austin Establishing a permanent base on the moon is a critical step in the exploration of deep space. One significant challenge observed during the Apollo missions was the adhesion of lunar dust, which can build up on vehicle, equipment, and space suit. Highly fine and abrasive, the dust particles can have adverse mechanical, electrical, and health effects. The proposed research aims to develop a new class of hierarchical, heterogenous nanostructured coating that can passively mitigate adhesion of lunar particles. Using scal…
Last reply by NASA, -
- 0 replies
- 157 views
2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) ESI24 Zhai Quadchart Lei Zhai University of Central Florida Lunar dust, with its chemical reactivity, electrostatic charge, and potential magnetism, poses a serious threat to astronauts and equipment on the Moon’s surface. To address this, the project proposes developing structured coatings with anisotropic surface features and electrostatic dissipative properties to passively mitigate lunar dust. By analyzing lunar dust-surface interactions at multiple scales, the team aims to optimize the coatings’ surface structures and physical properties, such as Young’s modulus, electrical cond…
Last reply by NASA, -
- 0 replies
- 153 views
1 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) ESI24 Zou Quadchart Min Zou University of Arkansas, Fayetteville Lunar dust, with its highly abrasive and electrostatic properties, poses serious threats to the longevity and functionality of spacecraft, habitats, and equipment operating on the Moon. This project aims to develop advanced bioinspired surface textures that effectively repel lunar dust, targeting critical surfaces such as habitat exteriors, doors, and windows. By designing and fabricating innovative micro-/nano-hierarchical core-shell textures, we aim to significantly reduce dust adhesion, ultimately enhancing the perfo…
Last reply by NASA, -
- 0 replies
- 163 views
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 The Solar System The Sun Mercury Venus Earth The Moon Mars Jupiter Saturn Uranus Neptune Pluto & Dwarf Planets Asteroids, Comets & Meteors The Kuiper Belt The Oort Cloud 3 min read Sols 4368-4369: The Colors of Fall – and Mars This image shows all the…
Last reply by NASA, -
- 0 replies
- 290 views
An artist’s concept of SpaceX’s Starship Human Landing System (HLS) on the Moon. NASA is working with SpaceX to develop the Starship HLS to carry astronauts from lunar orbit to the Moon’s surface and back for Artemis III and Artemis IV. Starship HLS is roughly 50 meters tall, or about the length of an Olympic swimming pool. SpaceX This artist’s concept depicts a SpaceX Starship tanker (bottom) transferring propellant to a Starship depot (top) in low Earth orbit. Before astronauts launch in Orion atop the agency’s SLS (Space Launch System) rocket, SpaceX will launch a storage depot to Earth orbit. For the Artemis …
Last reply by NASA, -
- 0 replies
- 272 views
Pictured (clockwise) from bottom left are astronauts Charles O. Hobaugh, commander; Mike Foreman, Leland Melvin, Robert L. Satcher Jr. and Randy Bresnik, all mission specialists; along with Barry E. “Butch” Wilmore, pilot; and Nicole Stott, mission specialist.NASA The STS-129 crew members pose for a portrait following a joint news conference with the Expedition 21 crew members on Nov. 24, 2009. Astronauts Charles O. Hobaugh, Mike Foreman, Leland Melvin, Robert L. Satcher Jr., Randy Bresnik, Butch Wilmore, and Nicole Stott launched from NASA’s Kennedy Space Center in Florida on Nov. 16, 2009, aboard the space shuttle Atlantis. Traveling with them was nearly 30,000 pounds…
Last reply by NASA, -
- 0 replies
- 308 views
Media are invited to learn about a unique series of flight tests happening in Virginia in partnership between NASA and GE Aerospace that aim to help the aviation industry better understand contrails and their impact on the Earth’s climate. Contrails are the lines of clouds that can be created by high-flying aircraft, but they may have an unseen effect on the planet – trapping heat in the atmosphere. The media event will occur from 9 a.m.-12 p.m. on Monday, Nov. 25 at NASA’s Langley Research Center in Hampton, Virginia. NASA Langley’s G-III aircraft and mobile laboratory, as well as GE Aerospace’s 747 Flying Test Bed (FTB) will be on site. NASA project researchers and …
Last reply by NASA, -
- 0 replies
- 378 views
To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video The guitar shape in the “Guitar Nebula” comes from bubbles blown by particles ejected from the pulsar through a steady wind as it moves through space. A movie of Chandra (red) data taken in 2000, 2006, 2012, and 2021 has been combined with a single image in optical light from Palomar. X-rays from Chandra show a filament of energetic matter and antimatter particles, about two light-years long, blasting away from the pulsar (seen as the bright white dot). The movie shows how this filament has changed over two decades. X-ray: NASA/CXC/Stanford Univ./M. de Vries…
Last reply by NASA, -
- 0 replies
- 105 views
Artist’s concept of a young, newly discovered planet, exposed to observation by a warped debris disk. Credit: Robert Hurt, Caltech-IPAC. The discovery A huge planet with a long name – IRAS 04125+2902 b – is really just a baby: only 3 million years old. And because such infant worlds are usually hidden inside obscuring disks of debris, it is the youngest planet so far discovered using the dominant method of planet detection. Key facts The massive planet, likely still glowing from the heat of its formation, lies in the Taurus Molecular Cloud, an active stellar nursery with hundreds of newborn stars some 430 light-years away. The cloud’s relative closeness makes it…
Last reply by NASA, -
- 0 replies
- 125 views
This content is password protected. To view it please enter your password below: Password: View the full article
Last reply by NASA, -
- 0 replies
- 102 views
llustration of BioSentinel’s spacecraft flying past the Moon.NASA/Daniel Rutter Editor’s Note: This article was updated Nov. 20, 2024 shortly after BioSentinel’s mission marked two years of operation in deep space. Astronauts live in a pretty extreme environment aboard the International Space Station. Orbiting about 250 miles above the Earth in the weightlessness of microgravity, they rely on commercial cargo missions about every two months to deliver new supplies and experiments. And yet, this place is relatively protected in terms of space radiation. The Earth’s magnetic field shields space station crew from much of the radiation that can damage the DNA in our cel…
Last reply by NASA, -
- 0 replies
- 198 views
5 min read 5 Surprising NASA Heliophysics Discoveries Not Related to the Sun With NASA’s fleet of heliophysics spacecraft, scientists monitor our Sun and investigate its influences throughout the solar system. However, the fleet’s constant watch and often-unique perspectives sometimes create opportunities to make discoveries that no one expected, helping us to solve mysteries about of the solar system and beyond. Here are five examples of breakthroughs made by NASA heliophysics missions in other fields of science. This graphic shows missions in NASA’s Heliophysics Division fleet as of July 2024. NASA Thousands and Thousands of Comets The SOHO mission — short…
Last reply by NASA, -
- 0 replies
- 160 views
Earth (ESD) Earth Home Explore Climate Change Science in Action Multimedia Data For Researchers 14 Min Read NASA’s Brad Doorn Brings Farm Belt Wisdom to Space-Age Agriculture This image shows corn cultivation patterns across the U.S. Midwest in 2020, with lands planted in corn marked in yellow. Credits: NASA Earth Observatory/ Lauren Dauphin Bradley Doorn grew up in his family’s trucking business, which hauled milk and animal feed across the sprawling plains of South Dakota. Home was Mitchell, a small town famous for its Corn Palace, where murals crafted from corn kernels and husks have adorned its facad…
Last reply by NASA, -
- 0 replies
- 159 views
On Nov. 6, 2024, NASA Night brought cosmic excitement to the Toyota Center, where Johnson Space Center employees joined 16,208 fans who interacted with NASA as they watched the Houston Rockets claim victory over the San Antonio Spurs. Energy soared as International Space Station Program Manager Dana Weigel stepped up to take the first shot. International Space Station Program Manager Dana Weigel takes the first shot on Nov. 6, 2024, as the Houston Rockets go up against the San Antonio Spurs at Toyota Center.NASA/Helen Arase Vargas The ceremonial first shot also gave back to the community, with Rockets owner Tilman Fertitta donating $1,000 to the Clutch Cit…
Last reply by NASA,