"This immense cave represents the most important submerged archaeological site in the world, since it has more than a hundred archaeological contexts, among which is evidence of the first settlers ...

Discover some of the world's oldest known cave paintings in this idyllic part of Northern Spain. Travel back 40,000 years to explore how our ancestors lived, played and worked. From ancient ...

Spelunkers rappel 300 feet (90 meters) into the Greenland ice sheet. Glacier caves such as these form when seasonal meltwater or geothermal vents cut fissures and channels through an ice sheet.

DECATUR — A 14-year-old girl visiting Decatur to attend a graduation party was shot and killed early Sunday in a burst of gunfire that also left three other young people wounded, police said ...