The likelihood of asteroid 2024 YR4 colliding with Earth keeps shifting, according to scientists. The object — which is large enough to destroy an entire city — has a 0.28% chance of colliding with ...

"Congress has redefined what were formerly called 'unidentified flying objects' [UFOs] to first 'unidentified aerial ...

Operated by the Space Force's Rapid Capabilities Office, the 29-foot-long X-37B with a 15-foot wingspan is designed to test advanced technologies.

There are a number of compelling reasons to catch the looming March 13-14 total lunar eclipse, which will be visible in the ...