First spotted last month by a telescope in Chile, the near-Earth asteroid — designated 2024 YR4 — is estimated to be 130 to ...

In the three years before the deadly collision between an Army helicopter and an American Airlines flight near Reagan ...

NASA astronauts Butch Wilmore and Suni Williams flew to the ISS in the summer of 2024 for a routine eight-day test mission.

Data from NASA's Chandra X-ray Observatory reveals that black holes can cool gas to the proper temperature for a cosmic feast ...

"Williams surpassed former NASA astronaut Peggy Whitson’s record for total spacewalking time by a female astronaut. Williams now has 62 hours, 6 minutes of total spacewalk time, fourth on NASA’s ...

Hungary’s Tibor Kapu (from left), India’s Shubhanshu Shukla, Axiom’s Peggy Whitson, and Poland’s Sławosz Uznański-Wiśniewski ...

“Despite what’s been a tough economy the past couple of years for fleets, the Best Fleets Top 20 and Hall of Fame members ...

The vice president leading Boeing's Starliner spacecraft unit, Mark Nappi, has left the program and was replaced by the ...

Clear Lake, California’s largest freshwater lake, which is next to an abandoned mercury mine, turned a sickly shade of ...

Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to No. 4 overall.

YR4 might force NASA to plan the first-ever space mission to push an asteroid away from Earth. Most likely, though, it's a ...