The eerie reddish-yellow skies and harmful air quality scores have eased, for now. But there are still plenty of questions.

The tantalizing prospect of inspecting a mysterious monolith on the surface of Mars moon Phobos was proposed earlier this ...

The Justice Department has filed a first-ever petition to a secretive and dormant court created 30 years ago to weigh ...

The big screen has played host to many epic alien invasions, but so have our TVs, and here's the five best alien invasions ...

For nearly 60 years, scientists have scanned the skies searching for a message from another civilization. Along the way, they ...

Old Skies is a fantastic game, a point-and-click adventure that sees you travelling through time at the behest of a host of well-heeled clients. But don’t think this is an easy ride; you’ve got all ...

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

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

No, this is not behind-the-scenes footage of Spielberg's latest film "Disclosure Day" ... these are recently released files from the Pentagon showing unidentified aerial phenomena in our skies.

Several metallic objects washed up on a beach in Australia after possibly falling from the skies. But don’t worry, we’re ...

A polarizing Harvard astronomer has been appointed to lead a Trump administration panel studying UFOs. Avi Loeb is leading a ...