Do the bones of Nile crocodiles have the same number of growth marks as their age? And can such growth rings be counted to accurately gauge the age of these reptiles? Is this also an accurate method ...

Deep inside a Caribbean cave, paleontologists have uncovered a scene that reads like gothic natural history: tiny bees once turned piles of animal bones into nurseries. Instead of burrowing into soil ...

ARUSHA: THE wind sweeps across jagged cliffs and deep ravines at Olduvai Gorge, carrying whispers of footsteps that walked ...

The ancestors of humans started making tools about 3.3 million years ago. First they made them out of stone, then they switched to bone as a raw material. Until recently, the earliest clear evidence ...