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

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

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 ...

With over decades of films and convincing radio plays, aliens have captivated our imaginations and our worst fears. They’ve ...

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 ...

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

The makers of the blockbusting sci-fi thriller reveal how they made a hit, why Kevin Spacey was almost involved and what went wrong with the sequel ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

Last fall, President Donald Trump launched plans to “modernize” the White House by tearing down the East Wing and expanding ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...