For more than 60 years, the ginkgo-toothed beaked whale (Mesoplodon ginkgodens) was one of the ocean’s greatest mysteries.

Scientists have finally photographed a whale known only from sounds and remains, linking a mysterious deep-sea signal to a ...

Ted Judah went diving off McAbee Beach in Monterey Bay when he caught sight of a 'silvery knife blade undulating thing,' ...

Shark teeth are “highly developed weapons built for cutting flesh, not resisting ocean acid,” Baum said. Sharks will go ...

The Caribbean Sea is often associated with crystal-clear water, vibrant coral reefs, and post-card perfect beaches. But ...

For a long time, the idea of giant animals has mostly been tied to dinosaurs on land. Oceans feel different, quieter, even ...

Wondering about the world's weirdest sea creatures? We've compiled this list of the 20 weirdest animals in the ocean to show ...

Prehistoric sharks appeared hundreds of millions of years before dinosaurs and quickly became dominant marine predators. This documentary follows a complete timeline tracing their evolution from early ...

The rockhead poacher is a little fish with a big pit in its head. The divot may be like a drum, making sound that rises above ...

Climate change is already fueling dangerous heat waves, raising sea levels and transforming the oceans. Even if countries ...

Climate change is already fueling dangerous heat waves, raising sea levels, and transforming the oceans. Even if countries ...

Learning how pronghorn survived the climate changes that ended the ice ages anddrove so many other large mammals to extinction can help us adapt to our ownchanging climate.