Across a wind-swept basin in Saudi Arabia’s Nefud Desert, a now-vanished lake once attracted wildlife during a brief climatic ...

A seven-million-year-old fossil may rewrite human origins, showing our ancestors were walking upright far earlier than anyone expected.

Footage shows how researchers discovers fossil human footprints embedded in an ancient lakebed that show humans inhabited ...

Legend once had it that the huge, three-toed footprints scattered across the central highlands of Bolivia came from supernaturally strong monsters — capable of sinking their claws even into solid ...