Sharks

It's a mystery why a swordfish stabbed a thresher shark to death, but it's possible they were competing for food.

New analysis of jaws from a shark that lived 370 million years ago revealed a horrific twist (literally) to the predator's toothy grin.

Unama'ki is one of the largest Great White sharks tagged.

The discovery of nearly 90 shark teeth, largely from young sharks, indicates there was a shark nursery here 24 million years ago.

A program that uses drones to warn surfers of nearby sharks recorded a very close encounter off the coast in New South Wales.

Marine biologists have discovered an enormous great white shark they're calling the "queen of the ocean" off the coast of Nova Scotia.

A new study evaluates massive Megalodon alongside all sharks in the lamniform group — living and extinct. Even among its extinct relatives, Megalodon was unequalled in length and mass.

Fishers in Sardinia, Italy caught a skinless, toothless shark in a world first, new study says.

A woman swimming in Maine was fatally attacked by a white shark.

Photographs of a shark bearing strange, circular scars could be evidence of a rare giant squid encounter, researchers say.

Researchers dated the growth rings inside two whale shark bones using nuclear bomb carbon leftover from the Cold War.

A group of sharks writhing in shallow water may have looked like they were beached, but they weren't injured or in distress.

In a career first, the rock band Kiss is performing for an audience of great white sharks.

Paleontologists discovered the first nearly complete skeleton of an ancient shark belonging to the genus Phoebodus.

Scary portrayals of great whites in pop culture might lead some people to wonder if the world would be better off with no sharks at all.

Sharks elicit outsized fear, even though the risk of a shark bite is infinitesimally small. Here's why.

And the tiny shark has a wee pocket near its fin.