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

Sunita “Suni” Williams and Barry “Butch” Wilmore, who have spent an unexpected eight months on the International Space ...

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

Astronauts Butch Wilmore and Suni Williams are conducting a spacewalk outside the International Space Station to remove ...

The founder of SpaceX said President Trump had asked his company to return two astronauts aboard the space station to Earth ...

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

NASA astronauts Suni Williams and Butch Wilmore completed a spacewalk Thursday while awaiting their delayed return to Earth.

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

NASA's two stranded astronauts conducted their first spacewalk together Thursday, stepping outside the International Space Station.

Astronauts Suni Williams and Butch Wilmore, who have been on an unexpectedly monthslong assignment after serving on Boeing’s Starliner crewed test flight, conducted a spacewalk Thursday.

Their invention, the pineal gland simulator and regulator — or “Pinacal” — simulates the effects of sunset and sunrise in ...