World Ocean Day will be observed on 8 June 2026 worldwide. Discover these main five endangered Indian Ocean species who are ...

When photographer Jialing Cai plunged into the ocean in the dead of night, she found creatures of the deep had risen up to ...

Large numbers of Velella velella, often called “by-the-wind sailors,” periodically wash ashore along coastlines around the ...

This secretive native of both sides of the Caribbean—from Belize to the British Virgin Islands—hides out on ledges and in caves of reefs up to 140 feet below the surface of the sea. Although not being ...

Big animals of the ocean go about their days mostly hidden from view. Scientists know this marine megafauna – such as whales, sharks, seal, turtles and birds – travel vast distances to feed and breed.

A fascinating, unclassifiable orb found in the Gulf of Alaska is not an alien object, as some speculated, but the remains of a poorly documented animal.

Echinoderms are those strange, sometimes slimy or spiky creatures that live on the ocean floor—think sea cucumbers, sea ...

The remarkable discovery of animal life beneath the seafloor shows that life finds a way even in the most extreme environments, potentially boosting hopes for finding life beyond Earth. Reading time 4 ...

Dive to places uninhabitable by humans and encounter regal whales and colorful reef life. Ocean Animals features the world’s most charismatic animals that inhabit a realm humans can only fleetingly ...

The winning and highly commended underwater photography spotlights breathtaking animal behavior, conservation needs and the otherworldly environment of Earth’s oceans This rare leucistic green sea ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers have ...