Cartilage doesn't preserve as well as bones, so the most older shark fossil records are based on isolated scales and teeth. In fact, shark teeth are among the most commonly found fossils around the ...

When people think of “big sharks,” they usually think of the legendary shark, Megalodon (Otodus megalodon), which reached at least 50 feet (15 meters) in length when it was ruling our oceans million ...

A new study shows that the gigantic Megalodon or megatooth shark, which lived nearly worldwide roughly 15-3.6 million years ago and reached at least 50 feet (15 meters) in length, gave birth to babies ...

“Baby shark” has taken on a whole new meaning. Newborn megalodon sharks were supersized fish larger than most adult humans, a new study suggests. An analysis of the growth rates of the ancient ocean ...

New research into the developmental biology of the gigantic prehistoric shark, known as the megalodon, gave birth to 2-meter-long pups that likely ate fellow embryos in the womb. A recent research ...

The research appears to confirm that, even as newborns, the extinct sharks were very, very big. By Katherine J. Wu In many ways, megalodons — the long-gone, leviathan predecessors of today’s sharks — ...

Famously, the Megalodon was the biggest shark in the world, and one of the most powerful predators to have ever lived.