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 ...

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

NASA is reportedly working on bringing back two astronauts from (ISS) on March 19, around two weeks earlier than the agency’s current plan, an anonymous source told Ars Technica. This comes shortly ...

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 ...

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

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

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

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

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

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 ...