Barack Obama dismissed alien cover-up conspiracy theories, telling Stephen Colbert the government is terrible at keeping secrets about UFOs.

Colorado Congresswoman Lauren Boebert has claimed that declassified UFO files suggest the existence of biblical demons rather than extraterrestrial beings, sparking debate over the interpretation of the documents.

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."

Is it all just smoke and mirrors? The Department of War released over 160 previously classified files on Friday in an effort for greater transparency surrounding UFOs, aliens and extraterrestrial life — but some experts believe the government is still hiding key information from us.

Why so many Americans want to believe that extraterrestrials exist—and that the government is hiding the truth