Tiffany Valiante was just 18 when she disappeared from her New Jersey home in 2015 ...

Rocky from Project Hail Mary may be lovable, but the science behind him is far stranger than most movie aliens. Andy Weir ...

In PEOPLE’s exclusive clip from ‘Most Extreme Humans,’ Lizzy Bull navigates living with rare genetic condition called ...

Rising chip prices, data centers, and subsequent price increases in consumer products have made Silicon Valley a villain in ...

On Monday evening, we loaded up the dog and drove to the St. Croix Boom Site to spend some time by the river. There, I ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

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

A woman in Sanford, Florida, came home stunned when she discovered that someone had removed her entire driveway, despite her ...

The Pentagon released its fourth batch of UFO files Friday following President Trump’s declassification order, including ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

Nearly 40 calls, a long-running feud between neighbors and a family still pushing for answers.