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

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

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

Sir Mark Dalrymple, the third baronet of New Hailes, was the honorary chairman of the Scottish UFO Research Society ...

Trump administration science advisors are offering conventional explanations for some of the sightings of mysterious orbs of ...

Sean Kirkpatrick, a physicist who previously investigated UAP at the Pentagon’s All-domain Anomaly Resolution Office, said Loeb is “not viewed favorably” in the scientific community and lacks national ...

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

In 1977, Brazil witnessed mysterious UFO encounters known as 'Chupa-Chupa', involving unexplained injuries and a military ...

No, this is not behind-the-scenes footage of Spielberg's latest film "Disclosure Day" ... these are recently released files ...

Add Yahoo as a preferred source to see more of our stories on Google. It's World UFO Day, but questions about aliens, UFOs and what governments know about them remain. UFO researcher Jon Stewart joins ...