Boeing executive Mark Nappi had been the face of the company’s Starliner program during its beleaguered Crew Flight Test to ...

A NASA astronaut reveals that after eight months in space, she lost the ability to perform basic tasks such as walking or ...

A NASA astronaut reveals that after eight months in space, she lost the ability to perform basic tasks such as walking or ...

After the US President Donald Trump announced the NASA astronauts Sunita Williams and Barry Wilmore will be brought back from ...

Retired U.S. Gen. Mark Milley has been informed his personal security detail will be pulled, a U.S. official confirmed to ABC ...

As the Boeing Starliner Calypso approached the ISS, the capsule's thrusters malfunctioned and NASA ruled it too dangerous for ...

NASA confirmed its plan to work with Elon Musk's SpaceX to bring two astronauts back from the International Space Station as ...

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 ...

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

The record-breaking spacewalk set a new women's record for total spacewalking time and saw the astronauts finally remove ...

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