Paleobiologist Dr. Kenshu Shimada has been fascinated by fossil sharks, including the giant Otodus megalodon, since childhood ...

Recently, a handful have been found bearing serrated gouges… marks that could only have been made by the teeth of another Megalodon, suggesting interactions that go beyond simple feeding.

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

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

(CNN) — Paleobiologist Dr. Kenshu Shimada has been fascinated by fossil sharks, including the giant Otodus megalodon, since childhood — he found his first megalodon tooth at 13 years old.

But the true size and shape of this extinct giant probably doesn ... or tiny tooth-like scales that cover sharks, from the megalodon. What they found was that these scales did not have ridges ...

If there’s anywhere Team Lemon (formerly Team Mako) and Team Great White may find common ground, it’s megalodon speed. Rather ...

The giant extinct shark species known as the megalodon has captured the interest of scientists and the general public alike, ...

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