The Pentagon releases scores of UFO files with reported sightings of spheres, discs and fireballs spanning nearly 80 years.

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 more.

Depending on who you ask, the phrase “we are not alone” may feel a little less like science fiction these days, as the U.S. government continues releasing declassified files related to Unidentified Anomalous Phenomena,

As UFO talk heats up, this week's Flashbacks looks back at decades of strange sightings and unanswered questions in the Shenandoah Valley.

From 1897 "mystery airships" to modern Starlink satellites, a look at reported UFO sightings in Austin and what may explain them.

A newly released Pentagon UAP video showing a glowing humanoid figure has reignited comparisons to a viral 2015 Sequoia Park UFO sighting. Social media users are calling it the “Superman UAP,” while skeptics argue both clips likely show balloons or distorted thermal imagery.