Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of the United States. In a recent interview, Barack Obama became the first ...

While aliens in science fiction hop between planets on vast spaceships, scientists say real-life extraterrestrials might take ...

Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

Noah Hawley's Alien: Earth series takes Ridley Scott's iconic sci-fi horror franchise in a bold, thought-provoking new direction.

This is the definitive ranking of the best alien invasion movies of all time. In between those bookends, Lifeforce is one of the wildest, most unique, most incredible science fiction movies almost ...

Explained here is the bleak ending of the movie Bugonia, including the reason behind the actions of the character played by Emma Stone.

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

Disclosing government documents about UFOs won't mean much without hard physical evidence for alien spaceships or alien bodies.

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

If life ever existed on Mars, it might have looked like microfossils right here on Earth.

Sci-fi cinema has changed greatly throughout the decades, and one can track its evolution from classics like Metropolis to ...