The academic duo calculated the average volume of “space spunk,” approximately one teaspoon, as well as its density, one gram, and the average speed of ejaculation, which they found to be 45 ...

NASA has announced a new return date for astronauts Sunita Williams and Barry Wilmore, who have been on the International ...

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

More than 3 billion years ago, when the Moon’s volcanic mare (the dark lunar “seas”) were formed, the Moon was rife with ...

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 ...

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

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

Despite the statement from President Trump, NASA had already scheduled the astronauts' return for late March or April.

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 ...