When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years ...

As the US celebrates its 250th birthday, the official rhetoric of freedom and democracy grows further from the facts of daily ...

Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

The internet is going abuzz over a mysterious flying object that appeared to be flying over the Southwest — and made a ...

WASHINGTON — The U.S. is concealing a longstanding program that retrieves and reverse engineers unidentified flying objects, a former Air Force intelligence officer testified Wednesday to Congress.

Medical staff members are working to contain a measles outbreak inside an ICE detention center in Pinal County, officials confirmed Tuesday. The evacuation status for some areas of northern Arizona ...

Extreme heat baking large parts of the U.S. generates extra business – and grueling working conditions – for New England ice ...