There's a strange assumption most of us carry around without noticing it: that scientists have basically finished cataloguing ...

The phenomenon of species extinction is a natural part of evolution, with about 500 species having disappeared in the past century, and a recent study suggests that the loss is not limited to ...

Last year, hiking in Morocco’s eastern Atlas Mountains, I found an ammonite, a fossil of those spiral-shape cephalopods that to many symbolize paleontology itself. The fossilization process had turned ...