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

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

Cai Xuzhe and Song Lingdong, part of China's three-person Shenzhou 19 mission, completed an 8.5-hour extravehicular activity ...

An HTC headset designed to work in space is offsetting the physical and psychological challenges of humans living off-world.

Among the objectives of the walk, there was an intriguing scientific objective: The duo swabbed the surface material around ...

On Tuesday, astronauts aboard the International Space Station focused on two key tasks: preparing for an upcoming spacewalk ...

The Expedition 72 crew has completed final preparations for a scheduled science and maintenance spacewalk on Thursday.

Astronauts Sunita “Suni” Williams and Barry “Butch” Wilmore rode a Boeing Starliner to the station in June 2024 for what was ...