Admittedly, NASA put it kindlier than that: "After a thorough evaluation, NASA and Sierra Space have mutually agreed to ...

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

For 24 hours a day, seven days a week since November 2000, NASA and its international partners have sustained a continuous ...

Sierra Space had been looking to join SpaceX and Northrop Grumman as one of three commercial resupply partners for NASA ...

The development of commercial space stations comes as NASA plans the end of an era. The existing International Space Station ...

A proposed 47% cut to NASA science from the Trump administration has sounded the alarm among scientists and space advocates — ...

The selected device will fly to the International Space Station in 2027 to provide crucial medical capabilities currently ...

What happens to NASA and its operations in Florida during the government shutdown? Will rocket launches be delayed? Is Kennedy Space Center still open?

NASA on Monday introduced the 10 people who will join the agency’s astronaut corps as it races to return humans to the moon.

Space Center Houston remains open during the government shutdown, while NASA furloughs the majority of its staff but ...

What happens to NASA and its operations in Florida during government shutdown? Will SpaceX rocket launches be delayed? Is Kennedy Space Center open?

HOUSTON — NASA has introduced its new class of astronaut candidates, some of whom may be among the first people to set foot ...