A new study proposes that the massive ancient shark was built more slenderly than a great white. But not all paleontologists ...

Goldfish possess genetic traits that allow them to swell up to four pounds—the size of a Chihuahua. Experts say that's why ...

surprising study reveals Giant tiger sharks eat backyard birds, surprising study reveals Whale Allegedly Protects Diver From Shark, But Questions Remain Whale Allegedly Protects Diver From Shark ...

Scottish poet Norman MacCaig described the basking shark as a “roomsized monster with a matchbox brain,” continuing the tradition of folklore and literature based on this giant fish.

Nicknamed the Ginsu shark after the kitchen knife that slices ... Evidence suggests Cretoxyrhina fed on mosasaurs, plesiosaurs, and even the giant bony fish Xiphactinus, a fierce predator itself.

It has given way to exhilaration—the exhilaration of learning to venture, without cages or chain mail suits or even shark billies, into a giant shark pack. That’s one thing we’ve discovered ...

This story appears in the June 2016 issue of National Geographic ... my first giant stride into the water—until I reached the bottom and immediately had to fend off the first tiger shark I ...

This story appears in the August 2017 issue of National Geographic magazine ... and gave no end of trouble.” Once the shark was landed, Grey marveled at its build—streamlined, muscular ...

National Geographic embarks on a voyage of breakthrough ... Witness amazing great white shark behavior, including never-before-seen footage of explosive, air-borne "breaching" attacks.