Venture to dizzy heights with a look at some of the world’s most incredible clifftop towns. From seaside citadels to remote medieval mountain villages, living life on the edge has never looked so good ...

The NASA Odyssey orbiter, which launched in 2001 from Cape Canaveral, snapped a 1st-ever image of a Mars volcano peeking ...

One of three methane-eating, deep-sea spider species recently discovered off the Southern California coast. One of three ...