Three astronauts from Russia and the U.S. returned to Earth on Monday after leaving the International Space Station (ISS). On ...

Astronauts on the International Space Station age slightly slower than the rest of us on Earth due to time-dilation effects.

After 184 days in space, 2,944 orbits of the Earth, 78 million miles traveled, and a safe landing, astronaut Tracy Dyson ...

The Soyuz landing in Kazakhstan sets the stage for launch of a SpaceX Crew Dragon flight to the space station Thursday.

After 184 days orbiting Earth, NASA astronaut Tracy C. Dyson and two crewmates successfully returned, landing in Kazakhstan. The mission, involving multiple international astronauts, covered millions ...

The subtle changes in time due to gravity’s denser passage on the Earth’s surface are a major reason why experts call for the moon to be given its own time zone — as even the planet’s best atomic ...

Eight astronauts remain in the space station, including Americans Butch Wilmore and Suni Williams, who have remained long ...

Medically evacuating an astronaut from space is difficult and expensive, and a new model predicts that one in three ...

A Russian space capsule has undocked from the International Space Station (ISS) to take three astronauts back to Earth – two of them having completed a record-long stay on the orbiting laboratory.

A Soyuz capsule carrying two Russians and one American from the International Space Station (ISS) has landed in Kazakhstan – ending a record-breaking stay for the Russian pair. The capsule landed on ...

Suni Williams and Butch Wilmore have been on the International Space Station for 15 weeks. They were only supposed to be ...