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

The discovery of thousands of exoplanets has intensified speculation about whether complex life could evolve beyond Earth ...

Astronomers have been detecting exoplanetary atmospheres for more than 20 years. Yet only on wildly un-Earth-like 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, ...

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

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

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 ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer them a somewhat risky buffet. There is liquid water, as well as salts, ...

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.