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 ...

President Donald Trump recently announced an ambitious goal: sending astronauts to Mars within four years, aligning with the length of a presidential term ...

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

Astronauts on China's Tiangong space station successfully produce oxygen and rocket fuel using artificial photosynthesis, ...

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

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

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

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

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

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

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