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For some people, a passion for space is something that might develop over time, but for Patrick Junen, the desire was there from the beginning. With a father and grandfather who both worked for NASA, space exploration is not just a dream; it remains a family legacy. Now, as the stage assembly and structures subsystem […]


The Andromeda galaxy, also known as Messier 31 (M31), is a glittering beacon in this image released on June 25, 2025, in tribute to the groundbreaking legacy of astronomer Dr. Vera Rubin, whose observations transformed our understanding of the universe. In the 1960s, Rubin and her colleagues studied M31 and determined that there was some unseen […]



Present-day disk galaxies often contain a thick, star-filled outer disk and an embedded thin disk of stars. For instance, our own Milky Way galaxy’s thick disk is approximately 3,000 light-years in height, and its thin disk is roughly 1,000 light-years thick. How and why does this dual disk structure form? By analyzing archival data from […]


In autumn 2024, California’s Monterey Bay experienced an outsized phytoplankton bloom that attracted fish, dolphins, whales, seabirds, and – for a few weeks in October – scientists. A team from NASA’s Ames Research Center in Silicon Valley, with partners at the University of California, Santa Cruz (UCSC), and the Naval Postgraduate School, spent two weeks […]


The Mars Reconnaissance Orbiter is testing a series of large spacecraft rolls that will help it hunt for water. After nearly 20 years of operations, NASA’s Mars Reconnaissance Orbiter (MRO) is on a roll, performing a new maneuver to squeeze even more science out of the busy spacecraft as it circles the Red Planet. Engineers […]


When two stars orbit one another in such a way that one blocks the other’s light each time it swings around, that’s an eclipsing binary. A new paper from NASA’s Eclipsing Binary Patrol citizen science project presents more than 10,000 of these rare pairs – 10,001 to be precise. These objects will help future researchers study […]


Since childhood, Derrick Bailey always had an early fascination with aeronautics. Military fighter jet pilots were his childhood heroes, and he dreamed of joining the aerospace industry. This passion was a springboard into his 17-year career at NASA, where Bailey plays an important role in enabling successful rocket launches. Bailey is the Launch Vehicle Certification […]


At the Living Planet Symposium, attendees have been hearing how ESA’s Next Generation Gravity Mission could provide the first opportunity to directly track a vital ocean circulation system that warms our planet – but is now weakening, risking a possi…


As NASA prepares for its Artemis II mission, researchers at the agency’s Glenn Research Center in Cleveland are collaborating with The Australian National University (ANU) to prove inventive, cost-saving laser communications technologies in the lunar environment. Communicating in space usually relies on radio waves, but NASA is exploring laser, or optical, communications, which can send […]


The second of the Meteosat Third Generation (MTG) satellites and the first instrument for the Copernicus Sentinel-4 mission are ready for liftoff at Cape Canaveral in Florida, US.


The European Space Agency’s Mars Express has captured a swirl of colour on the Red Planet, with yellows and rust-oranges meeting deep reds and browns.


At ESA’s Living Planet Symposium, scientist have unveiled how the combination of different long-term, high-resolution satellite datasets from ESA’s Climate Change Initiative is shedding new light on the South American Gran Chaco – one of the world’s …


The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about 2.5 million light-years. Astronomers use Andromeda to understand the structure and evolution of our own spiral, which is much harder to do since Earth is embedded inside the Milky Way. The galaxy […]

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Students attending the U.S. Space and Rocket Center Space Camp in Huntsville, Alabama, will have the chance to hear NASA astronauts aboard the International Space Station answer their prerecorded questions. At 12:40 p.m. EDT on Tuesday, July 1, NASA astronauts Anne McClain, Jonny Kim, and Nichole Ayers will answer student questions. Ayers is a space […]


NASA astronaut Bob Hines took this picture of the waning crescent moon on May 8, 2022, as the International Space Station flew into an orbital sunrise 260 miles above the Atlantic Ocean off the northwest coast of the United States. Since the station became operational in November 2000, crew members have produced hundreds of thousands […]



What are asteroids? Asteroids are rocky objects that orbit the Sun just like planets do. In fact, sometimes asteroids are called “minor planets.” These space rocks were left behind after our solar system formed about 4.6 billion years ago. Asteroids are found in a wide range of sizes. For example, one small asteroid, 2015 TC25, […]


During his work on several historic missions, Casani rose through a series of technical and management positions, making an indelible mark on the nation’s space program. John R. Casani, a visionary engineer who served a central role in many of NASA’s historic deep space missions, died on Thursday, June 19, 2025, at the age […]


Editor’s note: This interview was conducted in October 2023. As the International Space Station approaches 25 years of continuous human presence on Nov. 2, 2025, it is a meaningful moment to recognize those who have been there since the beginning—sharing the remarkable achievements of human spaceflight with the world. If you have ever witnessed the […]


In addition to drilling rock core samples, the science team has been grinding its way into rocks to make sense of the scientific evidence hiding just below the surface. On June 3, NASA’s Perseverance Mars rover ground down a portion of a rock surface, blew away the resulting debris, and then went to work studying […]


Could a liquid water ocean beneath the surface of Jupiter’s moon Europa have the ingredients to support life? Here’s how NASA’s mission to Europa would find out.

Could a liquid water ocean beneath the surface of Jupiter039;s moon Europa have the ingredients to support life? Here039;s how NASA039;s mission to Europa would find

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Researchers at NASA’s Jet Propulsion Laboratory are developing the Buoyant Rover for Under-Ice Exploration, a technology that could one day explore oceans under the ice layers of planetary bodies. The prototype was tested in arctic lakes near Barrow, Alaska.


Scientists think there is an ocean within Jupiter’s moon Europa. NASA-JPL astrobiologist Kevin Hand explains why scientists are so excited about the potential of this ice-covered world to answer one of humanity’s most profound questions.


Explore This Section Science Europa Clipper Alien Ocean Europa Clipper Home Mission Overview Facts History Timeline Science Goals Team Spacecraft Meet Europa Clipper Instruments Assembly Vault Plate Message in a Bottle News News & Features Blog Newsroom Replay the Launch Multimedia Featured Multimedia Resources About Europa Why Europa? Europa Up Close Ingredients for Life Evidence […]


This colorized image of Europa is a product of clear-filter grayscale data from one orbit of NASA’s Galileo spacecraft, combined with lower-resolution color data taken on a different orbit. The blue-white terrains indicate relatively pure water ice, whereas the reddish areas contain water ice mixed with hydrated salts, potentially magnesium sulfate or sulfuric acid. The […]


The puzzling, fascinating surface of Jupiter’s icy moon Europa looms large in this newly-reprocessed color view, made from images taken by NASA’s Galileo spacecraft in the late 1990s. This is the color view of Europa from Galileo that shows the largest portion of the moon’s surface at the highest resolution. The view was previously released […]


This reprojection of the official USGS Europa basemap is centered at the estimated source region for potential plumes that might have been detected using the Hubble Space Telescope. The view is centered at -65 degrees latitude, 183 degrees longitude. In addition to the plume source region, the image also shows the hemisphere of Europa that […]


This view of Cilix impact crater on Europa was created in 2013 using 3-D stereo images taken by NASA’s Galileo spacecraft, combined with advanced image processing techniques. The crater has a diameter of about 11 miles (18 kilometers). This image, which combines a 3-D Digital Elevation Model, or DEM, with original imagery, shows that the […]


This enhanced color image shows cracks and ridges on Europa’s surface that reveal a detailed geologic history. Some ridges, such as the prominent one at top right, develop into long, arc-shaped “cycloids” that may be related to changing tidal forces as Europa orbits Jupiter. The wall of this ridge stands perhaps a third of a […]


This view of Jupiter’s moon Europa features several regional-resolution mosaics overlaid on a lower resolution global view for context. The regional views were obtained during several different flybys of the moon by NASA’s Galileo mission, and they stretch from high northern to high southern latitudes. Prominent here are the long, arcuate (or arc-shaped) and linear […]


Webb finds evidence of a lightweight planet around TWA 7


While satellites have revolutionised our ability to measure sea level with remarkable precision, their data becomes less reliable near coasts – where accurate information is most urgently needed.



As part of NASA’s efforts to expand access to space, four private astronauts are in orbit following the successful launch of the fourth all private astronaut mission to the International Space Station. A SpaceX Dragon spacecraft lifted off at 2:31 a.m. EDT Wednesday from Launch Complex 39A at NASA’s Kennedy Space Center in Florida, carrying […]


NASA, Axiom Space, and SpaceX are targeting 2:31 a.m. EDT, Wednesday, June 25, for launch of the fourth private astronaut mission to the International Space Station, Axiom Mission 4. The mission will lift off from Launch Complex 39A at NASA’s Kennedy Space Center in Florida. The crew will travel to the orbiting laboratory on a […]


NASA astronaut Zena Cardman [link to her bio] inspects her spacesuit’s wrist mirror in this portrait taken at NASA’s Johnson Space Center in Houston on March 22, 2024. Cardman will launch to the International Space Station as part of NASA’s SpaceX Crew-11 mission. This will be her first spaceflight. Cardman was selected by NASA as […]


June 24, 2025 NASA’s NICER (Neutron star Interior Composition Explorer), an X-ray telescope on the International Space Station, has paused observations due to a problem with one of the motors that drives its ability to track cosmic objects. The NICER team paused operations June 17 when performance degradation in the motor began affecting science observations. […]


Ozone high in the stratosphere protects us from the Sun’s ultraviolet light. But ozone near the ground is a pollutant that harms people and plants. The San Joaquin Valley has some of the most polluted air in the country, and NASA scientists with the new Ozone Where We Live (OWWL) project are working to measure […]


Demonstration Motor-1 (DM-1) is the first full-scale ground test of the evolved five-segment solid rocket motor of NASA’s SLS (Space Launch System) rocket. The event will take place in Promontory, Utah, and will be used as an opportunity to test several upgrades made from the current solid rocket boosters. Each booster burns six tons of […]