NASA's two stuck astronauts are taking their first spacewalk together, exiting the International Space Station almost eight ...

This week, explore what lurks in asteroid dust, marvel at the world’s largest beaded burial, discover an elusive creature photographed for the first time, and more.

Here's what we know about options SpaceX might have to bring the Starliner astronauts home faster from the space station.

NASA astronaut Sunita “Suni” Williams, one of the two astronauts on an unintentionally extended stay aboard the International Space Station, now holds the record for total spacewalk time by a woman.

The nearly 5.5-hour feat set a record for astronaut Sunita Williams, who became the woman with the most time spent on ...

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 ...

The good news about John Mulholland’s new job at aerospace stock Boeing (BA) is that it is not especially likely he will do much worse than ...

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

The main reason is that water is an incredibly precious resource in space. So valuable that even urine cannot be thrown away. It is recycled, purified, and used again. This means that a regular ...

Boeing Co’s top executive on its embattled Starliner crew capsule business is retiring from the company and being replaced by ...

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