The latest tranche of declassified “UAP” files don't reveal much.

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be older than our Solar System, according to a new study. The comet, first ...

Add Yahoo as a preferred source to see more of our stories on Google. Those hoping an infamous interstellar object that visited our cosmic neighborhood in 2025 was an extraterrestrial attempt to ...

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be unexplained flying objects. These file dumps were the culmination of a ...

This article was featured in the One Story to Read Today newsletter. Sign up for it here. When President Trump promised, in a social-media post in February, “to begin the process of identifying and ...

Scientists are now developing spinning space stations with artificial gravity that could take astronauts deeper into the Solar System in the 2030s, reshaping how long humans can stay in space and how ...