Block Islanders watched a fin slice through the water of the Great Salt Pond in a video that now has millions of views. The post Watch: 20-foot-long shark spotted off Block Island in Rhode Island ...

Sound production is common among terrestrial animals like birds, bugs, and the oversharing coworker at the desk next to yours ...

Thirty-three shark and twenty stingray species have been recorded swimming in seas around Greece in the last 90 years.

Discover what great white shark teeth are made of and how their jaws deliver a crushing bite force to rip through prey.

Otodus megalodon was the largest predatory fish in Earth's history. Measuring up to 24 meters, it was longer than a truck ...