The curious minds at What If explore what would happen if the James Webb Space Telescope actually discovered alien life.

The curious minds at What If explore what would happen if aliens came to Earth a million years in the future.

A Harvard University cosmologist who has suggested alien life forms could be sailing into the solar system disguised as meteors is leading the Trump administration’s secretive new scientific advisory ...

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

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

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

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

Steven Spielberg says he "would not be the right person" to serve as an ambassador for humanity when we meet aliens. The filmmaker says that he "would really look forward to" a real-life Disclosure ...

Steven Spielberg and aliens is like cinematic peanut butter and jelly. His "Disclosure Day" is a thriller about a massive government alien cover-up.

Lawmakers and Trump UFO advisors are naming the private corporations who allegedly operate alien craft-retrieval programs — ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...