The curious minds at What If explore a world where Megalodon sharks had never gone extinct, imagining how these enormous predators would shape oceans, ecosystems, and human activity today.

Imagine heading out for a swim and knowing that a shark the size of a bus could be lurking somewhere beneath the surface. This is not the plot of a science fiction movie. It is what life might be like ...

The Calvert Marine Museum is advocating for the designation of the extinct megalodon to be Maryland's official state shark.

A shark so rare it was once thought to be extinct was just spotted off the Welsh coast. The Wildlife Trust of Wales captured footage of the angel shark in Cardigan Bay, the first documented sighting ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. The ocean’s ultimate predator once hunted whales with ease.