The four American astronauts aboard the ISS, including the Boeing Starliner crew, spoke to USA TODAY in an exclusive interview Tuesday.

Williams was accompanied by fellow astronaut, Butch Wilmore, on her ninth spacewalk. It was Wilmore's fifth spacewalk.

NASA astronaut Suni Williams set a female spacewalk record after venturing outside the International Space Station with ...

Milestones like Sierra Space’s Joint Test 10B are needed to confirm Dream Chaser’s “ability to handle specialized payloads ...

A decade ago, space travel seemed like a fantasy, accessible only to astronauts. Today, more and more people can afford such ...

Two Nasa astronauts completed their primary objectives, including removing a radio frequency group antenna assembly.

According to experts, Suni Williams has spent a total of 62 hours and 6 minutes outside the station over nine missions.

"Odin's role is to gather critical imagery of the target asteroid, preparing the way for our next mission, Vestri, which will aim to land on the asteroid and begin extraction." ...

Scientists from NASA’s OSIRIS-REx asteroid sample return mission recently delivered remarkable findings about asteroid ...

NASA is working on a groundbreaking nuclear electric propulsion system that could dramatically speed up trips to Mars. The ...

The meteor fragments returned by OSIRIS-REx shed light on the entwined history of water and the chemical ingredients of life in the solar system.