The NASA astronauts will answer questions about daily life up in orbit, as well as the research conducted in microgravity.

As such, the ISS operates on Coordinated Universal Time, UTC, also known as Greenwich Mean Time (GMT). This puts NASA ...

Sunita Williams and Barry "Butch" Wilmore have been in space for more than nine months on a trip that was meant only to be a ...

Starliner astronaut Sunita Williams says she and crewmate Butch Wilmore have not been "abandoned" in space, as NASA considers ...

One of the highlights for astronauts who spend time aboard the International Space Station (ISS) is the chance to enjoy ...

NASA astronauts Suni Williams and Butch Wilmore completed a spacewalk Thursday while awaiting their delayed return to Earth.

Astronauts Butch Wilmore and Suni Williams are conducting a spacewalk outside the International Space Station to remove ...

Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to number four overall.

So the return of Suni Williams and Butch Wilmore has never been a political story—until this week. And it's a good thing that ...

Astronauts on board China's "heavenly palace" space station have demonstrated a new way of making rocket fuel products and ...

Astronauts are set to swab the space station's exterior, searching for living microbes to better understand how they survive ...

Chinsese astronauts are conducting experiments with fruit flies and more aboard the Tiangong space station. Credit: China ...