A four-member crew, including NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore, left the ISS early Tuesday on ...

NASA's Crew-10 is now officially at the International Space Station (ISS). The four crew members docked a little after 1 a.m.

Suni Williams and Butch Wilmore, the astronauts who had an unexpectedly long stay in orbit, are set to head back to Earth just two days after a replacement crew docked at the space station.

Here's how to watch all the total lunar eclipse action unfold live and online so you don't miss a second of the dramatic "Blood Moon" on March 13.

The main difference between life on the International Space Station (ISS) and life here on terra firma is microgravity, which forces you to float around rather than walk. To prepare newbie ...

A SpaceX crew capsule has successfully arrived at the International Space Station, bringing much-needed replacements for two ...