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

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

Dozens of photos were included as part of the release, such as photos shared by the FBI, Department of Defense, and NASA.

NASA administrator Jared Isaacman says declassified UAP files show real unexplained phenomena but no alien bodies or crashed ships have been found.

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated ...

The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and ...

New batch of previously classified government documents takes no position on origin of unidentified aerial phenomena (UAPs) ...

Neil deGrasse Tyson calls on the government to just show the alien, saying Americans are ready for disclosure after years of ...

There has been incredible interest in the UFO files released by the U.S. government. But even these documents and videos aren’t enough proof for everyone.

Add Yahoo as a preferred source to see more of our stories on Google. EXCLUSIVE: The Discovery networks have picked up two mystery docuseries after striking a deal with Big Media. Big Media, which was ...