An unidentified astronaut aboard the International Space Station had a deep vein thrombosis — or blood clot — in the jugular vein of their neck, according to a new case study.
Find out everything there is to know about astronauts and stay updated on the latest space news with the comprehensive articles, interactive features and space pictures at LiveScience.com. Learn more about these fascinating scientists as they continue to make amazing discoveries.
It won't be long before we see the first woman on Mars, and she just might beat the first man there, NASA Administrator Jim Bridenstine said Friday (Oct. 18).
That may be true for the short missions astronauts have gone on so far. But Mars will be a different story.
SpaceX tested the escape system on its Crew Dragon capsule. Smoke from the failure was visible for miles.
SpaceX's famous "Starman" dummy onboard the inaugural Falcon Heavy launch is about to have some competition — from a new dummy, named Ripley, strapped into the company's first Crew Dragon capsule.
Bacteria on the International Space Station are evolving and changing in the strange orbital environment. But they don't seem to be any more dangerous to humans.
Astronaut Harrison Schmitt saw Earth from space, but doesn't see that human activity is shaping climate change.
There are plenty of challenges to putting people on Mars, whether you look at the rocket, the astronaut or the planet itself.
Hurricane Florence, the vast storm meteorologists and astronauts alike have been tracking, made landfall this morning (Sept. 14) near Wrightsville Beach, North Carolina.
Government weather satellites are watching closely as a massive storm called Hurricane Lane threatens Hawaii.
Astronauts aboard the International Space Station have taken dramatic new photos of the fires that are blackening huge swaths of the Golden State and throwing off smoke that billows far to the east.
Every time that space crews launch from the Baikonur Cosmodrome in Kazakhstan, they literally follow in the footsteps of the first human in space – Yuri Gagarin.
Physicist Sally Ride, the first American woman in space and the first astronaut to come out as having a same-sex partner, will have her likeness on a stamp.
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