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 ...

For a quarter of a century, humans have continuously occupied the International Space Station. Here's a look at how far we've come and what's next.

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, ...

Russell “Rusty” Schweickart was among the first astronauts in space and the first to pilot the lunar module during the Apollo 9 mission in March 1969 that laid the foundation for humans to walk on the ...

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 ...

Election day in the United States is Tuesday, Nov. 4, and even American astronauts living in space are taking the time to fulfill their civic duty and cast their votes. There are four Americans ...

NASA is not immune to the effects of a government shutdown if congressional leaders fail to reach an agreement before ...