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

The first commercial spacewalk by a private individual took place on September 12, when tech billionaire Jared Isaacman eased ...

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

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

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

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

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 ...

Where the astronauts sat in the Apollo Lunar Module may have profoundly impacted the way the experience of walking on the ...

One little-seen aspect of military training involves what to do if astronauts returning from space need saving from the sea.

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

Astronauts Suni Williams and Butch Wilmore, who have been on an unexpectedly monthslong assignment after serving on Boeing’s Starliner crewed test flight, conducted a spacewalk Thursday.