WASHINGTON (AP) — One was a rotating disc that sent out beams of light. Another was a shining red orb of a hue the observer had never seen before. Then there was the one compared to a potato, and also a bean, but with a coat of shimmering, fish-like scales.

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.

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 speaks with CNN's Dana Bash about "never-before-seen files" on UFOs released by the FBI and the Pentagon last week. "Given the testimonies we have heard delivered in front of Congress from whistle-blowers and insiders and military officials,

When ET phones, don’t pick up. Scientists have outlined a set of protocols for responding to extraterrestrial contact, including a bizarre directive to refrain from answering cosmic correspondence. Adopted by the International Academy of Astronautics (IAA),