Want to know what a sand tiger shark has been eating? Look to its teeth. Peter Pinnock / Alamy Stock Photo This article is from Hakai Magazine, an online publication about science and society in ...

Science has spent decades trying to reconstruct Megalodon, the most powerful predator the oceans ever produced. The picture ...

How will the climate crisis affect one of the ocean’s fiercest predators? New research published Wednesday has examined what might happen to sharks’ highly specialized, flesh-cutting teeth. As carbon ...

The fearsome teeth that define sharks as the ocean's apex predators, and are crucial for their survival, are now under threat from changing marine chemistry. A new study suggests that increasing ocean ...

PORTLAND, Maine (AP) — Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean’s chemistry could put ...

A team of scientists has discovered a new fossil shark species from Alabama. The shark is a new species of Palaeohypotodus, which means "ancient small-eared tooth," in reference to the small ...