The evolution of the shark is not what most people would expect. Instead of sharks evolving from a massive predator, the original creature was a small, leaf-shaped fish. This fish lacked eyes and fins ...

Sharks follow a mathematical law regarding their size. A recent study uses 3D models to explore this biological rule. The research, published in Royal Society Open Science, reveals that sharks adhere ...

Sharks don’t have the swim bladders that many bony fish have to stop them from sinking, so the low density of their cartilage skeleton helps them to remain buoyant. Sharks have large livers filled ...

Threshers are not named for the thrashing motion of their tail, as many assume. Instead, their name comes from a farming ...

Whale sharks are the largest species of shark. Their gentle manner and massive size make them the gentle giants of the ocean.

New fossil shark named from ancient skeleton discovered in southern England. May 7, 2025. Recommended for you. Nanodomains hold the key to next-generation solar cells, researchers find.

An almost complete skeleton of a Cretaceous shark has been uncovered in Mexico. The find sheds light on what the prehistoric relative of the great white looked like.

Megalodon, the ancient shark often depicted as a super-sized great white, was in fact a rather different beast, according to a new analysis of fossil evidence.

A Shark Ancestor’s Skeleton Was Made Of Bone, Not Cartilage. Megalodons and other ancient sharks evolved from a sightless, finless, boneless fish. ©racksuz/Shutterstock.com.

An almost complete skeleton of a Cretaceous shark has been uncovered in Mexico. The find sheds light on what the prehistoric relative of the great white looked like.