Imagine swimming in the ocean and suddenly spotting a creature larger than any shark, faster than any human can sprint, and more vicious than any predator alive today. Meet the Mosasaurus, a marine ...

The megalodon went extinct 3.6 million years ago, and is thought to be the largest shark that ever swam the Earth. But the megalodon may not have been as big as once thought, some researchers suggest.

Megalodon, the terror of the Neogene, dominated its giant shark niche for just 20 million years before it disappeared from the world's oceans. And, during that time ...

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

For decades, the giant prehistoric shark known ominously as “The Meg" has been portrayed as a massive apex predator that hunted the only formidable opponent in the oceans at the time: whales. But new ...

For nearly 20 million years, the oceans were prowled by a gigantic predator. The iconic shark Otodus megalodon swam seas all over the planet, snacking on the marine mammals of its time and reaching ...

The lucky boy went to the beach with two beautiful girls. While playing, they did not know that they were being followed by a notorious deep-sea hunter Mosasaurus. Suddenly mosasaurus attacked the ...

The megalodon went extinct 3.6 million years ago and is thought to be the largest shark that ever swam the Earth — until now. (Story first aired on All Things Considered on January 23m 2023.) The ...