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

Now, an international team of researchers reports in the journal Science Advances that a short time later, a more than ...

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

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, ...

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

So, by that standard, could a similar fate await humanity in the not-so-distant future? Well, as the saying goes, all good ...

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

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

Devil in Silver, global storytelling, YouTube's rise, and why television's future may look completely different.

The rocky exoplanet depicted here in this artist’s illustration, with a fuzzy atmosphere. (Melissa Weiss/CfA) As the famous ...

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.