A cave in Brazil warns that current global warming is progressing twice as fast as it did at the end of the Ice Age.

An international team of cave explorers has shown that cave walls and the prehistoric rock art that adorns them can preserve human DNA for thousands of years.

Oaxaca's Huautla cave is a trove of history, nature and wonder. John Pint explores Mexico's (and the Western Hemisphere's) ...

The light fades as divers disappear farther into a cave system, until the greenish hue from their flashlight is all that’s visible, bouncing off walls, picking out creatures humans might never have ...

Bones from an ancient cave in Greece reveal how a hippopotamus species held on in Europe long after others vanished from the ...

An intrepid scientist and her team were the first to venture into the Wulff Land caves—and they found surprising evidence of Greenland’s prehistoric past. Paleoclimatologist Gina Moseley led a team of ...