Since those early steps, extravehicular activity has helped provide the solutions to many problems that astronauts face in ...

Though she had an aptitude for science since childhood, Williams dreamt of being a veterinary doctor. Her mind changed after ...

Nasa astronaut Sunita Williams has made history by setting the record for the most time spent spacewalking by a woman. She ...

Astronauts Suni Williams and Butch Wilmore, who were stranded at the International Space Station for nine months after they ...

The two, along with fellow NASA astronaut Nick Hague and Roscosmos cosmonaut Aleksandr Gorbunov, splashed down in the ...

Russian cosmonauts Oleg Kononenko and Nikolai Chub were assigned on the Expedition 70 spacewalk to check up on an external ...

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore are finally back on Earth. The two spent more than eight ...

On Tuesday, two NASA astronauts who had been in orbit since June, Suni Williams and Butch Wilmore, splashed down in calm, ...

With nine spacewalks, NASA astronaut Sunita Williams set a new record for the most spacewalking hours by a female astronaut.

Dr. Bernard Harris Jr.’s historic spacewalk sets the stage in his latest book, meant to be used as a guide and inspiration ...

Nine months is a long time to be in orbit. But Butch Williams and Suni Wilmore aren't alone in facing extraordinary ...

Sunita Williams returns after 286 days on the ISS due to Boeing spacecraft delays. She sets a new record for female ...