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

Georgia’s coastline offers a surprising window into the prehistoric past, where fossilized shark teeth—ranging from tiny ...

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 ...

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

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

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.

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 ...

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.

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.

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 ...