The U.S. government finally admits to the existence of UFOs. See more in this clip from "Aliens and the United States." ...

In an exclusive interview with Starlust.org, Dr. Seth Shostak of the SETI Institute shared his views on finding alien life ...

Best known for dissolving bodies in bathtubs, sulfuric acid has the potential to be the elixir of life on other worlds.

Could ancient alien technology be hiding on the Moon? Scientists propose searching lunar dust for microscopic traces of distant civilizations.

If life exists elsewhere, it might not be on worlds like Earth. Here are some of the more peculiar places scientists are looking.

If life exists elsewhere, it might not be on worlds like Earth. Here are some of the more peculiar places scientists are ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The Department of Defense (DOD) released a new batch of documents ...

One of the greatest mysteries of life is whether we are alone in the cosmos. The laws of probability suggest we aren’t, but despite centuries of searching, we have never seen any clear evidence of ...

Whenever the topic of UFOs comes up, the claim that "the US government is hiding the truth" inevitably arises. On the other ...

Humans have wondered about life beyond our planet since ancient times, and researchers have worked hard for decades to find ...

Filmmaker Jon Stewart speculated that Donald Trump could announce alleged evidence of extraterrestrial life after Republican midterm losses, but provided no evidence of such plans.