What if an alien civilization did not just exist somewhere in the universe, but actually reached Earth in the distant past?

A new UFO sightings ranking has placed New York ahead of California and among America’s top three states on a per-capita basis, with Delaware taking the top spot.

A provocative sci-fi thriller that challenges truths, explores hidden realities, and pushes readers to question belief ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

The James Webb Space Telescope may have uncovered one of the most exciting clues yet in the search for extraterrestrial life.

The spike came after the Trump administration registered the federal domain, Aliens.gov.

In the build-up to Alien: Earth Season 2, Sydney Chandler, who portrays Wendy in the sci-fi horror series, has revealed her ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

In a talk at South by Southwest, Steven Spielberg revealed his own thoughts about the existence of space aliens while discussing his upcoming "Disclosure Day." ...

Aliens have invaded the news again. Last month, two US presidents weighed in on the topic in rapid succession, managing to make a public that was already obsessed with extraterrestrials even more so.