When identifying sharks, the hammerhead stands out thanks to its hammer-shaped head. The great hammerhead shark is estimated to have evolved around 20 million years ago, making it a relatively recent ...

The future of the great hammerhead depends on how we choose to coexist with the ocean that sustains us both. As we uncover more about its habits and habitats, we’re also confronted with uncomfortable ...

Trees first appeared on Earth during the Devonian period, around 385 million years ago, and dinosaurs about 100 million years later, between 250 to 200 million years ago. But you might be surprised to ...

From teeth turnover to their preferred small prey, these shark videos from ‘Crazy Monster: Fangs,’ ‘Hunting The Hammerhead,’ ‘Nature Shock: Shark Gangsters,’ and ‘Great Blue Wild: Sea Of Cortez’ are ...