Add Yahoo as a preferred source to see more of our stories on Google. Whistleblower Michael Brown says he learned of a top-secret Pentagon UFO program called “Immaculate Constellation.” Journalist ...

LAS VEGAS (KLAS) — For 27 months, Las Vegas was UFO central. A secret program, known as AAWSAP, was created in 2008 with support from Nevada Senator Harry Reid and became the largest UFO investigation ...

NBC News’ Gadi Schwartz spoke with investigative journalist Leslie Kean and national security experts Luis Elizondo and Christopher Mellon, who led the 2017 New York Times investigation into the ...

Fresh allegations that US intelligence agencies may be secretly holding recovered alien technology have revived one of Washington's most persistent debates, after a prominent UFO whistleblower claimed ...