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.

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,

Flying discs, metallic orbs, and a mysterious cylinder tumbling past the Apollo spacecraft. Those are just a few of the unidentified anomalous phenomena, or UAP, contained in a batch of government files the Department of Defense released this month.

The first wave of President Trump's alien files has been released. But searching for UFO files carries different risks than regular browsing. Your ISP can see every query. Data brokers can track your interests. Governments, militaries, and other ...