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

President Donald Trump and Elon Musk announced this week that SpaceX, the space exploration company founded by Musk, will be ...

During a five-and-a-half hour spacewalk with her colleague Butch Wilmore, Sunita Williams surpassed former astronaut Peggy ...

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

This story incorporates reporting from Yahoo, Space on MSN.com and MSN.NASA astronaut Suni Williams set a new record with a ...

Plus: Bringing astronauts back from the ISS, fixing hearts with space-grown cells, why your kids need to touch grass and more ...

John Mulholland, who previously managed the Boeing Starliner program before taking up the role on Boeing's space station ...

Astronauts Williams and Wilmore conducted a 5-hour, 26-minute spacewalk to remove radio hardware and collect samples on the ISS.

The asteroid is currently 27 million miles away and has a 1-in-83 chance of hitting Earth in 2032. After the NASA-funded ...

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

NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost ...