The astronauts and cosmonauts aboard the International Space Station spent their first full week as Expedition 74 crewmates.

Don Pettit is NASA’s oldest serving astronaut, and even at the age of 70, he’s not done yet. He’s been to orbit four times since his first voyage back in 2002, and hopes to make it back there again in ...

Stanford researchers have become the first to demonstrate that machine-learning control can safely guide a robot aboard the ...

For 24 hours a day, seven days a week since November 2000, NASA and its international partners have sustained a continuous human presence in low-Earth orbit, including at least one American—a streak ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. SpaceX just launched a satellite that could help pave the way for a private space station in the ...

Could the very protocols designed to protect astronauts be leaving them vulnerable in orbit? That question now looms over ...

The International Space Station (ISS) is one of humanity’s greatest achievements, providing a habitat in orbit that has been occupied continuously for almost 25 years. Visited by almost 300 people ...

As of Sunday, Nov. 2, the International Space Station has been stationed in low-Earth orbit with a continuous human presence for 25 years. Four of the five nations whose space agencies operate the ISS ...

WASHINGTON — NASA expects to spend up to $1.5 billion to support at least two companies to demonstrate crew-tended space stations as part of the agency’s revised approach to transition from the ...