Scientists have long known that ancient Homo sapiens and Neanderthals lived alongside each other for thousands of years—until ...

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.

The 1990s delivered some of the best television sitcoms of all time and several of these great shows somehow got lost in time ...

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

Hugo Award winner Chambers (the Wayfarers series) launches the Monk and Robot series with this contemplative, bite-size novel. Hundreds of years ago, when the robots of Panga first gained sentience, ...

Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our skywatching newsletter ...

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

Teetering near endangered status, the starlet sea anemone produces “an ancient mechanism” for fighting viruses that ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

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