It's World Space Week! This year, the theme is "Living in Space", so we're revisiting our best articles on the challenges and ...

Winston Elliott Scott knows a thing or two about being in space. As a NASA astronaut, Winston took trips into orbit in 1996 ...

Billionaires make it seem that we have all the tech we need to settle on the moon and Mars. But the hard part of living in space is adapting the human body to extraterrestrial conditions. Business ...

One way that astronauts have been fighting bone loss is through strength training. And they're getting some help with a new machine delivered this week by the shuttle Endeavour, which docked with the ...

Five years after their space jaunts, the astronauts appear to be in good cardiovascular health. Living in microgravity changes the human body — and usually for the worse. Bone density decreases, ...

CAPE CANAVERAL, Fla. -- Four astronauts from four countries rocketed toward the International Space Station on Saturday. They should reach the orbiting lab in their SpaceX capsule Sunday, replacing ...

As of Friday (Aug. 15), there are 7 people aboard the International Space Station: Expedition 73 commander Sergey Ryzhikov of the Russian space agency Roscosmos; fellow cosmonauts Alexey Zubritsky and ...

Tim Peake is the first Briton to do a space walk. Astronauts Timothy Kopra and Timothy Peake at the International Space Station were scheduled to begin their spacewalk at 7:48am on Jan. 15, 2016.

NASA and SpaceX are partners on the Crew missions, which send astronauts to the ISS for months-long scientific expeditions. The Crew-11 mission is due to get off the ground no earlier than Thursday, ...