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 ...

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

See tributes from show, his wife, and more.

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 — ...

NASA Administrator Jared Isaacman says answering the question of alien life is inherent in all space exploration, and the odds of finding evidence at some point that suggests we’re not alone is ...

Ancient Greeks believed in alien life, as well as in gods, souls, and beings that inhabited the Moon, stars, and Heavens.

Former UK Ministry of Defense investigator Nick Pope passed away on April 6 in his home in Tucson, Arizona. His wife, ...

The Wampa is one of the most fun creature designs in the original "Star Wars" trilogy -- but what's going on beneath that ...

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