Watch this video to uncover how scientists use great white shark teeth to estimate their size, and how they apply similar ...

Jaws of Carcharocles megalodon, an extinct species of shark that lived about 23 to 3.6 million years ago.Florida Museum photo by Kristen Grace A charter boat captain found a whopping 6.25-inch long ...

If you’re afraid of sharks, be thankful you didn’t live 20 million years ago when the seas were patrolled by the Megalodon. This monstrous prehistoric shark was more than twice the size of a great ...

Megalodon, the biggest shark to have ever lived, may not have looked like an uber great white shark as is generally assumed — but instead may have been longer and thinner, scientists have revealed.

A new study provides many new insights into the biology of the prehistoric gigantic shark megalodon (megatooth shark), which lived nearly worldwide 15–3.6 million years ago. Paleobiology professor ...

Megalodon, the apex predator of the seas, was the largest shark to ever live, at nearly 60 feet in length. A recently published study suggests the massive shark reached its epic size because of ...

The true size of a gigantic prehistoric megalodon shark that ruled the oceans millions of years ago has been revealed for the first time -- and it had teeth as big as hands, and a fin as tall as a ...

Schematic drawing showing the distribution of maximum possible sizes of all known 70 non-planktivorous genera (groups) in the shark order Lamniformes, comprising modern (in gray) and extinct (in black ...

After witnessing students come up with widely variable estimates for megalodon size, Victor Perez reviewed the longstanding calculations. He eventually helmed a study modeling the extinct shark’s jaw ...

The megalodon, a giant shark that went extinct some 3.6 million years ago, is famous for its utterly enormous jaws and correspondingly huge teeth. Recent studies have proposed that the megalodon was a ...

A more reliable way of estimating the size of megalodon shows the extinct shark may have been bigger than previously thought, measuring up to 65 feet, nearly the length of two school buses. A more ...

New estimates suggest the megalodon — a giant, ancient shark — had a head about 15 feet long and a dorsal fin more than 5 feet tall. Researchers used the shark's fossilized teeth and the proportions ...