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.
Latest about astronaut
Even a 'weekend getaway' to space can alter astronauts' biology, sweeping new studies find
Even three days in space is enough to alter an astronaut's biology, according to a new set of studies that offers the most comprehensive look at spaceflight health since NASA's Twins Study.
2 new helium leaks discovered on Boeing's Starliner — forcing NASA astronauts to skip sleep to fix them
Two helium leaks appeared on the spacecraft en route to the International Space Station, in addition to a leak engineers knew about prior to launch. The crew are not thought to be in any danger.
Circus 'Wall of Death' stunt may keep astronauts fit on the moon
Just a few laps of the wall a day may be enough to keep muscle wasting at bay, scientists say.
Why ISS astronauts don't know where to look for the April 8 total solar eclipse
The cameras aboard the International Space Station may be ready, but it's still not clear where to point them in order to capture the April 8 total solar eclipse.
Could mini space-grown organs be our 'cancer moonshot'?
Scientists say they're growing "organoids" in space to better understand cancer, neurological diseases and aging, and to hopefully uncover treatments.
What would happen to a dead body in space?
Space is a harsh place, with freezing temperatures, harmful radiation and a near-vacuum. So, what would happen to the body of an astronaut that was exposed to space's elements?
Russian cosmonaut Oleg Kononeko breaks record for longest time spent in space — and he still has 6 months to go
Oleg Kononeko has broken the record for most cumulative time spent in space after spending his 878th non-continuous day onboard the International Space Station. But he won't return to Earth until September.
Record-breaking astronaut Frank Rubio finally returns to Earth after accidentally spending 371 days in space
NASA astronaut Frank Rubio has finally returned home from a 371-day stay on the International Space Station — a record for an American — after being trapped when his ride home was damaged.
