"This is a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

UFOs have repeatedly entered restricted US military airspace, including swarming Navy ships at sea and lingering over Langley ...

Steven Spielberg's new film “Disclosure Day” explores extraterrestrial life and its impact on religion. UFOs, now also called UAPs, are gaining mainstream attention.

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. Illustration by Alberto Mier/CNN When the Trump administration registered the domains Aliens.gov and Alien.gov in March, UFO ...

Tucker Carlson discusses his research into UFOs, the government's alleged deception, and how understanding lies can reveal ...

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be ...

Steven Spielberg's new blockbuster coincides with real-world disclosures about the government's investigation of unidentified ...

Now you can look at the photos and videos and judge for yourself. Whether you call them UFOs or UAPs — unidentified anomalous phenomena — there's no doubt plenty of people are curious about what else ...

Steven Spielberg says decades of UFO reports and eyewitness accounts convinced him to believe the believers while promoting ...