NAOMI: Oh no! Careful you don't get wet! Most of our planet, Earth, is covered in saltwater. In fact, there's more water than land on the Earth's surface. We call these areas of saltwater oceans.

To the Ends of the Earth: The Natural World - Oceans is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon ...

The Sea of Cortez, also known as the Gulf of California, is a unique corner of the Pacific Ocean. This remarkable young sea is thought to be around five million years old and home to nearly 900 ...

Ocean waters cover three-quarters of the globe and are vast, mostly undiscovered havens for mysterious and diverse life. But the open oceans are also a free-for-all, barely regulated or policed.