Alarmed defense experts believe these UFOs may be highly advanced, next-generation spy drones, raising concerns about American technology being outstripped by previously unknown foreign adversaries, and a sighting above Syria – in skies heavily contested by the U.S., Russia, China and Iran – has only added to the angst.

Newly released Pentagon UFO files describe a 2023 incident where a "mother orb" reportedly released smaller objects, which Avi Loeb says is unexplained.

No bombshells so far in the latest Pentagon batch of declassified Unidentified Anomalous Phenomena files. But they show the CIA hid its involvement.

A mysterious object speeding across the universe might look like a UFO, but the real story is even more fascinating. Scientists have discovered a supermassive black hole unleashing powerful winds at incredible speeds from a distant galaxy.

The Pentagon on Friday released a new group of documents and videos related to UFOs, or UAPs, with 72 more documents, images and recordings.

Newly released FBI, CIA and Air Force records reveal decades of UFO investigations, unexplained sightings and classified interest.

Harvard theoretical physicist Avi Loeb discusses the Pentagon's third batch of newly released UFO files. Loeb highlights that 40% of reported cases remain unresolved, prompting questions about national security concerns and the potential for non-human made objects.

Internet-famous UFO stories so wild they may just be true Alien and UFO sightings have been anomalies for decades. While the existence of extraterrestrials has become a laughingstock, with SNL making humorous alien sighting skits

There are a lot of documentaries about UFOs that don't devolve into sensationalist conspiracy theories. These are the best ones.

A military whistleblower claims U.S. officials received intelligence about bipedal aliens, plasmoids, and crashed UFO retrievals by other countries. With Trump ordering UFO files declassified, the story is only getting stranger.