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 [...]
Flight Engineer Joe Acaba works in the U.S. Destiny laboratory module on the International Space Station, setting up hardware for the Zero Boil-Off Tank (ZBOT) experiment.Joe Acaba Space missions rely on cryogenic fluids — extremely cold liquids like liquid hydrogen and oxygen — for both propulsion and life support systems. These fuels must be kept [...]
NASA/Jonny Kim Dinnertime fare on the International Space Station takes center stage in this Aug. 15, 2025, photo. One tray features shrimp cocktail on whole grain wheat crackers, while the other holds sushi made with seaweed, Spam, tuna, and rice. Both trays are secured with Velcro strips to keep them stable inside the Unity module’s [...]
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4 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) What Would It Take to Say We Found Life? We call this the podium test. What would it take for you personally to confidently stand up in front of an international audience and make that claim? When you put it in that way, I [...]
Photo of the Day What's that rising up from the Earth? When circling the Earth on the International Space Station early in July, astronaut Nicole Ayers saw an unusual type of lightning rising up from the Earth: a gigantic jet. The powerful jet appears near the center of the featured image in red, white, [...]
3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) While auroras are a beautiful sight on Earth, the solar activity that causes them can wreak havoc with space-based infrastructure like satellites. Using artificial intelligence to predict these disruptive solar events was a focus of KX’s work with FDL.Credit: Sebastian Saarloos In the summer [...]
NASA/Kim Shiflett The Artemis II crew (from front left to back right) – pilot Victor Glover, commander Reid Wiseman, mission specialist Jeremy Hansen of CSA (Canadian Space Agency), and mission specialist Christina Koch – walk out of the Neil A. Armstrong Operations and Checkout Building at NASA’s Kennedy Space Center in Florida on Monday, Aug. [...]
Research Astrophysicist and Roman’s Deputy Wide Field Instrument Scientist – Goddard Space Flight Center From a young age, Ami Choi — now a research astrophysicist at NASA — was drawn to the vast and mysterious. By the fifth grade, she had narrowed her sights to two career paths: marine biology or astrophysics. “I’ve always been [...]
6 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) This artist’s concept shows a brown dwarf — an object larger than a planet but not massive enough to kickstart fusion in its core like a star. Brown dwarfs are hot when they form and may glow like this one, but over time they [...]
