Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

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

Are the human race headed for apocalypse? Will Brexit be good for the UK? What do aliens think of VICE? And how soon until we ...

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

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

The Next Generation introduced viewers to the Borg. They’re easily one of the most impressive alien races in Star Trek, in ...

Milly Alcock stars as Kara in ‘Supergirl,’ which reveals the tragic origin story of Superman’s heavy-drinking cousin.

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters of the Third Kind contact humans using music and lights, but the director ...