An image taken by Curiosity last month has sparked claims of a long-lost civilization on the Red Planet after some spotted a ...

One pilot's offhand description in 1947 started a national obsession that never quit.

Astrobiologists think extraterrestrial civilisations grow so much that they hit crisis points, missing the chance to set out ...

The book Flying Saucers from Outer Space, written by author Donald E. Keyhoe in 1953, was the first to use the term “UFO." ...

Because a significant portion of the nursing home and home health workforce consists of immigrants — some estimates suggest ...

Families, friends and fellow first responders are gathering together to honor an Arizona firefighter who was among three people killed in a fire shelter tragedy in Colorado. A newly released police ...