Article

Form Equals Function for Ancient Sea Lizards and Modern Whales

In the ocean there once lived a creature built for predatory prowess. It had teeth...

Article

Meals of the Mighty Mosasaur

Between 100 and 65 million years ago, at the time when dinosaurs reigned on land,...

Article

If You Build An Ocean, Sea Monsters Will Come

Building a productive ocean is complicated. The process is long (on the order of...

Article

What the Megalodon Left Behind

The largest shark ever to exist on this planet, Carcharocles megalodon, could grow...

video

Evolution of Whales Animation

Whales have existed for millions of years. Watch this animation, from the Sant...

slideshow

A Squalodontid Success

On a beach in Piña, Panama the tide is rolling out. Faint outlines of skeletal...

slideshow

The Ocean Throughout Geologic Time, An Image Gallery

Evidence shows that life probably began in the ocean at least 3.5 billion years...

slideshow

Rudist Reefs

About 100 million years ago, during the heyday of the dinosaurs, reefs were built...

slideshow

Shark Ancestors

Long before great white sharks appeared, much larger ancestors roamed the ocean....

slideshow

A Collection of Cambrian Fossils

When you're standing in a museum surrounded by fossils, you can almost imagine...

Photo

Squalicorax Shark Fossil

During the late Cretaceous period, Kansas was covered by a vast sea. There,...

Photo

Early Whale with Webbed Feet

This early whale was well suited to life at sea. But it also may have spent time on...