"Project Hail Mary" really pushes the limit when it comes to non-humanoid aliens. But researchers posit that real aliens ...

From microscopic organisms living on frozen worlds to bizarre creatures drifting through alien skies, this journey explores ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

Did Donald Trump and other world leaders meet with several mysterious red-uniformed entities with long blond hair and pale ...

A look at 10 of the greatest alien sci-fi movies, from Ridley Scott's Alien to Denis Villeneuve's Arrival, none by Steven ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...

These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial life.

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

Stargate SG-1 transformed a hit sci-fi movie into a sprawling franchise, spawning spin-offs, movies, and one of TV's richest universes.

The '70s ushered in a huge sci-fi renaissance on TV, making the genre more popular than ever, thanks in part to "Battlestar ...

With 'Disclosure Day,' the director returns to a longtime preoccupation. Two Times staffers explore his ongoing fascination with extraterrestrials.