This video takes viewers on a cinematic voyage to some of the most extraordinary and extreme planetary systems discovered in ...

Authorities, though, have a much more mundane explanation: space junk. The Australian Space Agency said the spheres are ...

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

The Apple TV series wraps noir inside science fiction. With subtlety and charm, Farrell plays an earnest alien just doing his ...

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

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

A new study by Amirnezam Amiri of the University of Arkansas explores how these hypothetical "Dyson swarms" would appear ...

Superman is one of the most powerful characters in all of DC Comics, but there are several Kryptonians who match up to him.

Tracey Ullman and Jerome Flynn join Season 2 cast of FX and Hulu's sci-fi drama, "Alien: Earth." Filming is now under way in ...

Jared Isaacman says NASA has captured imagery of unknown objects it cannot explain, as Trump pushes broader UAP ...

Season 2 is officially filming at Pinewood Studios, with FX dropping a behind-the-scenes update. Tracey Ullman, Sam Spruell, and Jerome Flynn join Pe ...