What if an alien species had a complete evolutionary history stretching billions of years? This deep dive explores the Yaetuans, from microscopic lifeforms to a civilization capable of reaching the ...

From Project Hail Mary to Independence Day, Alien to Arrival, these alien movies are much better than Disclosure Day.

For instance, what if we really are being visited by aliens from other worlds and they turn out to be aggressive, violent, ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...

Alien director Ridley Scott eventually returned to the franchise, but couldn't complete his ambitious plans. Here's what his unmade movie could have been about.

That little alien emoji staring back from your phone, with its smooth, bulbous head and almond-shaped black eyes, has ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

The newly discovered planet, Beta Pictoris d. (ESO/B. Sutlieff, M. Bonse et al.) One of the most exciting things about ...

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

Return of the Jedi was originally set to feature the Wookie home planet instead of Ewoks. Here's why that changed in the Star ...