Surfers in Hawaii sometimes share their favorite spots with dangerous sharks, even if they never see the apex predators.

Megalodon may have been up to 80 feet long, but the colossal extinct shark was also probably thinner than scientists previously thought, according to a new study.

Beachgoers were mystified by a strange discovery on a popular 22-kilometre stretch of perfect Aussie coastline. While it’s ...

A shortfin mako shark, the fastest-swimming shark in the world, was caught on camera with an octopus catching a ride on its ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Paleobiologist Dr ...

Photographer Michael Busch captured video footage of a 6 foot long shark swimming near two unsuspecting snorkelers in the ...

Somehow, a large orange octopus has been riding a mako shark off the coast of New Zealand. Researchers are mystified.

A group of marine biologists who have spent years researching sharks and their behaviour were completely dumbfounded by a rare sight off the coast of New Zealand. A large shark was spotted thanks ...

The encounter took place in the Hauraki Gulf, where a University of Auckland research team was analyzing ocean behavior in search of feeding frenzies. Initially bewildered by what appeared to be an ...

This explains why so many shark encounters result in only a single large cut or scrape; a shark intending to attack would cause far greater damage. There are many ways to lower your risk of ...