A mysterious rock painting in South Africa’s cave could be the first-ever artwork of an animal that disappeared 250 million years ago. The San people’s “Horned Serpent Panel” features a strange ...

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 ...

Greek mysteries, strange phenomena and destinations that could qualify for an episode of "The X-Files" can be found all over ...

CHEYENNE, Wyo. (AP) — Paleontologists digging at the bottom of a strange cave in northern Wyoming say they have uncovered a trove of animal bones from the last ice age this summer and have enough ...