"This is the side of the reef we don't get to see on our underwater live streams ... @m.j2322 commented, “This reminds me of a screensaver we had back in the 90s.” @camicriscola shared ...

The rare sighting of an octopus riding on top of a shark was shared by scientists with the University of Auckland after it ...

Researchers in New Zealand saw a colorful blob on top of a shark’s head. When they looked closer, they realized it had eight arms.

A genomic study may have revealed how Greenland sharks live for centuries and yet rarely get cancer.

The keys to a Greenland shark’s long life can help scientists understand longevity in other animals and could be beneficial to humans, too. But it isn’t going to help us live for centuries.

With his magnificent underwater images, Gerardo del Villar wants to rehabilitate the reputation of the ocean’s great ...

New research has begun to uncover the genetic elements that may explain how such sharks are able to live as long and as well as they do without developing diseases like cancer or tumors.

A surfer who was attacked by a shark off the coast of Australia on Monday is presumed dead, police said Tuesday. Officials received reports of the attack around 12:10 p.m. local time on Monday ...

The biggest, most formidable shark to have ever roamed the ocean may have been even larger than previously thought, according to a new study. The research, published Sunday in the journal “ ...

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

The sighting “highlights the importance of modern, cost-effective technologies to survey the deep sea and locate these lost sharks before they vanish.” ...