A triangular UFO captured on infrared over Area 51 has gone viral, starting alien theories and questions about secret military tech.

Landmark UFO documents smuggled out of Russia 30 years ago — and just publicly revealed — show the Soviets investigated ...

A man captured footage of “a UFO” hovering over his neighbor’s house. John Nicholls, 45, was in bed watching TV with his wife, Maureen, 50, at 9 pm on November 17 when he looked out the window and ...

Newly resurfaced footage from a 2012 US Air Force Reaper drone captures three glowing orbs in a triangular formation over the ...

Add Yahoo as a preferred source to see more of our stories on Google. The mysterious object spotted floating soundlessly a few hundred feet over Green Cove Springs on March 22 has not yet been ...

Christians attending mass at a religious landmark in Mexico were stunned when a mysterious 'UFO' appeared above a Jesus ...

LAS VEGAS -- Las Vegas police have released bodycam and 911 audio of officers responding to a call from a family who claimed a UFO crashed in their backyard. According to ABC News, a family called 911 ...

INDIANAPOLIS (STACKER) — When pilot Kenneth Arnold took off from Chehalis, Washington, in his single-engine airplane one afternoon in June 1947, he was looking for a lost military aircraft that had ...