A new study highlights the potential of amber fossils to capture evidence of powerful, prehistoric ocean waves ...

Sharks, skates and catfish also have tooth-like structures called denticles that make their skin feel like sandpaper. When Haridy studied the tissues of her catfish, she saw that the denticles were ...

We are just one branch of a diverse human family tree. Aside from Neanderthals, who were they – and why did we replace them?