Just a week after their unprecedented return to Earth following a medical issue onboard the International Space Station, the ...

Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent ...

What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in our galaxy? And what if this faraway planet was home to billions of humans, ...

The former ISS commander said the crew’s evacuation of the space station left him feeling more confident about human space ...