Adventure-seeking tourists can test their mettle with an extreme activity known as "volcano surfing" at the summit of one of Nicaragua's most dangerous locations. In the Cordillera de los Maribios ...

CNN) — “I love to suffer,” says extreme surf photographer Chris Burkard. That much is clearly evident from his incredible portfolio, built up from shooting surfers as they ride waves in some of the ...

INSIDE a featureless concrete building tucked away on the sprawling site of NASA’s Ames Research Center south of San Francisco, Ralph Lorenz is making weird waves. He is summoning up lines of tiny ...