Megalodons have been portrayed as gigantic great whites, but new research suggests they were more svelte and less agile ...

Delve into the fascinating world of prehistoric giants with this captivating diorama of a frozen Megalodon hunting scene.

The largest shark discovered to date — the monstrous Otodus megalodon — may have been a sleek, long-bodied leviathan.. A fresh look at the extinct predator’s fossilized remains suggests its ...

National Megalodon Day is June 15 and celebrates the close relative to predatory fish, one that ruled the oceans 15 million to 3.6 million years ago. POST-RAIN HAMMERHEADS: Toxic, invasive hammerhead ...

Xenacanthus was a 3-to-5-foot freshwater shark which fed on crustaceans and small fish. It lived from the end of the Devonian ...

The megalodon went extinct around 3.6 million years ago, according to the United Kingdom’s Natural History Museum, for reasons scientists are still trying to understand.

Megalodon from prehistoric times scene 3D illustration, though the ancient shark probably didn't look like this. (Warpaintcobra / Getty Images) ...

The megalodon went extinct 3.6 million years ago, and is thought to be the largest shark that ever swam the Earth. But there's debate over what it looked like.

Most scientists believe that the megalodon went extinct roughly 2.6 million years ago as the ocean cooled, altering its environment and disrupting the food chain it relied upon.

Molly Sampson, a fourth grader from Prince Frederick, Maryland, found a 15 million-year-old megalodon tooth on Christmas in a bay near Calvert Cliffs. Her family had it checked by a paleontologist.

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.

Megalodon Sharks Were Prehistoric Nightmares. ... Megalodons—the iconic extinct sharks that dominated the ocean millions of years ago—have been portrayed in Hollywood blockbusters and sci-fi ...