How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

If life ever existed on Mars, it might have looked like microfossils right here on Earth.

To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...

How far away aliens might detect life on Earth.

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

In a Truth Social post, the U.S. president said his move was based on the "tremendous interest" in the subject, without providing additional details.

Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

President Donald Trump on Thursday said he would direct the Pentagon and other government agencies to release government records related to extraterrestrial life and UFOs.

President Trump directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of fascination — and spawned more than a few wild ...