After seeing Steven Spielberg's "Disclosure Day," check out these real-life accounts of strange aerial sightings.

Previous landmark scientific discoveries like the Higgs boson provide a better template for what it will take to confirm ...

Here's a rundown of 21 celebrities who believe aliens are real, and what they've said about our extraterrestrial neighbors.

The former president on why those waiting for Trump to disclose the existence of aliens are sure to be disappointed, and insisting first contact "hasn't happened yet." ...

The US government released new files on Unidentified Anomalous Phenomena (UAP). Florida has the second most UFO sightings.