Researchers believe a cave in the Pyrenees may have been used thousands of years ago to process copper, though the discovery ...

Deep inside a remote cave, a scatter of ancient wolf bones can feel like a crime scene frozen in time. The way those remains are arranged, the age of the animals, and the marks on their skeletons all ...

Mars often feels finished. Mapped, scanned, labelled in broad strokes. Yet every so often, something unsettles that sense of familiarity. A shadow where none was expected. A shape that does not fit ...

Jewel Cave, located 13 miles west of Custer, has more than 208 miles of “mapped and surveyed passage ways,” with hundreds of suspected passages yet to be explored, according to the National Park ...

An interstate might seem an arbitrary boundary. But an attentive West Texas traveler driving north of Interstate 10, on ...

Deep inside a rocky chamber, reached by a narrow crevice, researchers found more than 1,500 fossilized bones of what may be the gravesite of a... South African Cave Yields Strange Bones Of Early Human ...