Given the size and age of the universe, it should be full of species with technology far more advanced than our own. But so far there is no trace ...

The video explores whether extraterrestrial life would resemble Earth organisms or evolve into forms beyond anything ...

The White House advisor has earned attention-and intense scientific criticism-for his theories about alien technology.

Astronomers may have been listening for alien civilizations in only a small slice of the radio spectrum while overlooking a largely unexplored range of higher frequencies. Using archived data from the ...

A shocking underwater discovery reveals what may be one of Subnautica 2’s biggest secrets yet: a hidden alien base deep ...

Dive into some of the most horrifying and entertaining films of the 1970s with this collection of must-watch alien invasion films from the era.

A NASA Curiosity rover image has sparked claims of an 'alien missile' on Mars, though NASA attributes such formations to ...

Imagine a super-advanced alien civilization that needs insane amounts of energy way beyond our puny solar panels and wind ...

Louisa Mason's study uses archived ALMA data to explore new radio frequencies for alien signals, expanding SETI's search ...

On the surface, Steven Spielberg's latest can be taken as a sci-fi thriller with a message, but reading between the lines ...

After decades of secrecy, stigma, and sometimes silliness—like the conspiratorial tales about recovered spacecraft and alien ...