According to a new study, 70% of astronauts who have spent between six and 12 months aboard the International Space Station ...

There are many obstacles to overcome before humans can set foot on Mars, including problems surrounding launch mass and ...

Astronauts Suni Williams, Butch Wilmore, Nick Hague, and Don Pettit joined The Excerpt to share the perspective gained from ...

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

While Suni Williams and Butch Wilmore’s situation is unusual, their return trip will be pretty routine, as they were already ...

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

Breathing New Air Chinese astronauts claim to have created rocket fuel on board the country's Tiangong space station using a ...

President Donald Trump took to social media this week to announce he had directed SpaceX CEO Elon Musk to “go get” two NASA ...

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

Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to number four overall.

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

Williams and Wilmore both arrived at the ISS last June, aboard the first crewed test flight of Boeing's Starliner spacecraft.