Explore the disappearance of 3.8 million declassified UFO files from The Black Vault after Trump's transparency order.

US President Donald Trump has ordered the Pentagon to declassify files on UFOs and alien life, responding to public interest ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

From gamma ray bursts and supernova explosions to black holes and unknown alien life, we rank the scariest things in the ...

Long before he joined the cast of NCIS, actor David McCallum recorded a song that ended up being sampled by multiple famous ...

The Yahoo Best Picture Leaderboard has calculated the official frontrunner for the Oscars race. We'll also help you determine what's worth watching.

British Columbia Premier David Eby said it "looks like" OpenAI had the opportunity to prevent the recent mass shootings in Tumbler Ridge, B.C., in which nine people died ...