A top-secret jet was spotted near Area 51 just hours after President Donald Trump demanded the release of UFO files.

So, you think you’ve seen all the coolest planes out there? Think again! The military has a knack for keeping some of its most fascinating and advanced aircraft under wraps. These aren’t just any ...

Add Yahoo as a preferred source to see more of our stories on Google. Area 51 just got a little more mysterious. The US Air Force’s top-secret Boeing 737-200 aircraft, also known as the RAT55 jet, was ...

Prologue: What is Area 51? -- How nowhere became somewhere -- The skunk works goes to Paradise -- Angels in the blue book -- Angels in red skies -- Angels at the turning point -- Imaging the ...

Area 51 just got a little more mysterious. The US Air Force’s top-secret Boeing 737-200 aircraft, also known as the RAT55 jet, was spotted soaring over Nevada’s Groom Lake facility, confirming ...