Deep in Alaska’s Katmai National Park, a perfectly round, 1,600-foot-wide crater has puzzled scientists for decades. Known as ...

Savonoski Crater in Alaska is a 1,600-foot mystery with no meteor debris or volcanic vents. Scientists remain baffled, unsure ...

A Costco executive on the luxury items its wealthy customers love Trump picks retired Air Force Lt. Gen. Dan Caine as next ...

Pope Francis is being treated in hospital for bilateral pneumonia, otherwise known as double pneumonia, according to a statement released by the Holy See Press Office on Tuesday (Feb.18). Vatican ...

"This line of attack in the War on Cancer has had few meaningful outcomes for cancer patients." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

James Turrell discusses his ongoing land art piece, Roden Crater, created within a pit formed by an extinct volcano in the Arizona desert. ART21: Where are we, right now? TURRELL: Well, right now ...