Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

A cave on the Turkish Mediterranean coast was inhabited first by Neanderthals and then Homo sapiens, but the continuity of ...

The White House released a scathing report accusing the Smithsonian of engaging in "extreme political activism" and ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

In Wonderwerk Cave in South Africa, burned bones were found in a dirt layer associated with Homo erectus. The inhabitants ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

A lot of the alien races in the Star Trek universe are humanoid, and the original series explained that fact way back in the ...

Deep in the hills of central Israel, a new discovery is rewriting the history of human cooperation. For decades, scientists have debated the nature of the relationship between Neanderthals and early ...

Astrophysicist Neil deGrasse Tyson is calling on the government to just "show the alien," arguing that after years of whistleblower hearings and Pentagon file dumps, the American public is ready to ...