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

What would aliens actually look like? While simple life forms like bacteria may be common in the universe, complex ...

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

"We have captured imagery that, based on the data that we have within that imagery, we don't know what it is." ...

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

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

The stripes are reminiscent of the “dazzle camouflage” used by the Royal Navy in the first world war. But whereas dazzle ...

Hesai Technology was blacklisted as a national security threat in 2024 by the U.S. Department of Defense, which designated ...

The search for life beyond Earth has always been full of surprises. Strange radio signals have sparked excitement. Odd gases on distant worlds have raised questions. Even ordinary objects have been ...

New laws in California and New York might stop anyone from 3D printing guns — and create entirely new kinds of surveillance.

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