When and where scuba divers can encounter manta rays, whale sharks and more in Baja Sur, Mexico.

A fishing ban led to a recent resurgence of tiger sharks off Costa Rica’s Cocos Island. But experts say it will take more to restore harmony among the area’s apex predators.

Millions of icefish nests were discovered more than 1,600 feet below the ice in Antarctica’s Weddell Sea.

The ichthyosaur, excavated throughout August and September 2021, is the largest and most complete specimen ever discovered in the U.K.

On Australia's Ningaloo Reef, researchers and Australia’s richest man are using environmental DNA to unlock the mysteries of the world's biggest fish.

Ocean warming puts fish are at risk of becoming smaller due to the lower oxygen content of warm water, reports a new study.

Sea lions use their whiskers in “task-specific” ways, adjusting the specific way they’re moved depending on what they intend to discover about a particular object.

Dolphins aren't the only animals that use tools — octopuses and otters do too.

During the study that led to this revelation, researchers looked at shark remains found in the scat of the leopard seals as well as visible signs of struggle on the seals’ bodies.