Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

Here’s a question sci-fi nerds have been debating for about 60 years: who’s the hottest actor in Star Trek? Many Original ...

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Scientists may have detected one of the most intriguing signs of possible alien life yet — on a distant ocean world 124 light-years from Earth. The signal involves dimethyl sulfide, a molecule ...

Bill Maher says credible military and government UAP sightings have shifted his views on alien life, quipping that skeptics ...

Are we alone in the universe? While the search for life beyond Earth has so far turned up empty, the infamous question continues to haunt humanity’s exploration of the vast cosmos. Now, NASA’s ...

An interactive exhibit in a Crossroads art gallery aims to astonish earthly and extraterrestrial visitors alike. Wichita, Kansas, artists and spouses Mike Miller and Meghan Miller have created ...

Younger adult colon cancer deaths are concentrated in people with less education, study says King Charles will address ...

Nick Pope, regular guest on History Channel's Ancient Aliens and former U.K. Ministry of Defence UFO Desk official, often ...