According to Metropolitan Hilarion, aliens live in different realms and occasionally appear to humans as angels ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

It's the start of a new season, and that means plenty of new fantasy and sci-fi books to add to your bookshelf. Here are 13 ...

For decades, scientists have tried and failed to explain how the force that binds the heart of atoms together really works.

One of Project Hail Mary's main characters is an alien rock who doesn't have a face. For screenwriter Drew Goddard, adapting ...

Based on hard science fiction, a genre that prioritizes scientific accuracy, the blockbuster gets a lot right but misses a ...

Assembly Theory shifts the search for life from identifying specific molecules to measuring chemical complexity, offering a ...

Fans of “The X-Files” may remember the famous line, “The truth is out there.” In that fictional universe, FBI agents chased shadowy conspiracies, secret government files and alien visitors hidden ...

The White House has quietly secured a domain that sounds straight out of science fiction: aliens.gov. Official records confirm it sits inside the same federal system as whitehouse.gov and cia.gov, a ...

A new White House URL is out of this world (wide web). The eyebrow-raising domain name — “Aliens.gov” — has been added to the federal government’s official website registry, amplifying speculation ...

Erich von Däniken proposed that monumental structures such as the pyramids could have been built with help from aliens. Stefan Baumann Could ancient humans really have built the pyramids without ...