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NASA astronauts back on Earth after unprecedented medical emergency on ISSThe SpaceX Crew-11 Dragon spacecraft splashed down this morning as four astronauts completed an unprecedented medical evacuation of the International Space Station (ISS).
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NASA announces unprecedented return of sick ISS astronaut and crewNASA has announced the early return of Crew-11 from the International Space Station after an unidentified astronaut experienced a medical problem.
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Scientists put moss on the outside of the International Space Station for 9 months — then kept it growing back on EarthA species of moss survived for 9 months on the outside of the International Space Station, new research reveals — and 80% of the samples kept reproducing when returned to Earth.
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Human stem cells become more active in space — and that's not a good thingStem cells age faster and become functionally exhausted in low Earth orbit, making crewed long-duration space travel even more challenging.
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SpaceX just launched disease-causing bacteria to the International Space StationSpaceX just launched the Crew-11 astronauts to the International Space Station for NASA — along with an interesting bacterial experiment.
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Astronaut snaps giant red 'jellyfish' sprite over North America during upward-shooting lightning eventNASA astronaut Nichole Ayers captured an electrifying image of a giant lightning "sprite" shooting up over Mexico and southern U.S. states. The red "jellyfish" could help researchers learn more about this rare phenomenon.
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Astrophotographer snaps 'once-in-a-lifetime' shot of solar flare photobombing the ISSAn astrophotographer has captured an extremely rare and "difficult" photo of a solar flare exploding from the sun at the exact moment the International Space Station passed directly in front of our home star.
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SpaceX's Starship explodes on Texas launch pad in 'catastrophic failure' during routine testSpaceX's Starship 36 underwent a "catastrophic failure" on the stand at its Texas launch site, but the latest setback is unlikely to dent the company's ambitions.
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It's time to clean up space junk before orbits become 'unusable,' according to new ESA reportA new report released April 1 by the European Space Agency sheds light on space pollution surrounding our planet — how bad the problem is, and what we need to do to keep Earth orbits clean enough to use.
