Until the U.S. government has data or samples of alien material that can be shared, the story of extraterrestrial visitors is ...

Newly released FBI UFO files contain a bombshell witness account describing extraterrestrial beings "three and a half to 4 ...

Ridley Scott's sci-fi classic premiered in 1979, and starred Sigourney Weaver, Tom Skerritt, and Harry Dean Stanton.

If Project Hail Mary left you craving more space adventures, these 15 books deliver just that.

"If a signal gets broadened by its own star's environment, it can slip below our detection thresholds, even if it's there." When you purchase through links on our site, we may earn an affiliate ...

Ripley destroys the Nostromo after learning the company wanted the alien, but the xenomorph survives aboard her escape shuttle.

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.