Terrifying footage has captured the moment a massive shark clamped its jaws around a diver's head in a surprise attack off a paradise island. The clip, filmed in the idyllic Maldives, shows a ...

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

A prehistoric food fight may have spelled the end for the megalodon, the largest shark that ever lived. A study of the ocean giant's fossil teeth suggests it had to compete for food with another ...

The ocean’s most formidable cold-hearted killer, the long-extinct giant megalodon shark, may have been warm-blooded – which could have caused its disappearance more than three million years ago.

You’ve probably never considered squid a real threat to a large animal, but you’ve never witnessed a giant squid combat. The squid must only bind once to the shark and deliver a single bite ...

That is the view of Hiroshima University zoologist Ko Tomikawa, whose team discovered a new species of shrimp-like gammarid amphipods living in the mouth of a whale shark. Researchers first found ...