"This is a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.

Alarmed defense experts believe these UFOs may be highly advanced, next-generation spy drones, raising concerns about ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...

Astrophysicist and UFO expert Neil deGrasse Tyson has once again challenged claims that unidentified aerial phenomena (UAPs) ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration by Alberto Mier/CNN When the Trump administration registered the domains Aliens.gov and Alien.gov in March, UFO ...

Internet-famous UFO stories so wild they may just be true Alien and UFO sightings have been anomalies for decades. While the ...

Have you ever wondered what you would do if a) aliens were real and b) they decided to pay us a visit? How would we and our ...

Lawmakers called on the White House to grant immunity to whistleblowers who come forward with UFO information.

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously ...

Half a century after "Close Encounters of the Third Kind," the director returns to the subject of UFOs with "Disclosure Day." ...