"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.

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

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

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

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

A former CIA-linked physicist's comments about 'four alien species' have reignited UFO conspiracy theories online.

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 ...

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 ...