Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

Along long stretches of the Texas shoreline, thousands of rare sea creatures have been turning up dead or dying, transforming ...

A mining-machine test on the deep-ocean floor resulted in species diversity declining by roughly 32% in the tracks of the ...

Boaters recently spotted a group of Risso’s dolphins off the coast of South Africa — a “rare” sight for the area, according to a local tour company. Photo from Doug Bagg, UnSplash Boaters off the ...

The ocean is home to some of the most mysterious creatures on Earth. Many of us are familiar with the common sea animals like dolphins, sharks, and turtles, but there are also rare and unusual ...

Manta rays are surprising locals and tourists as they show up on the Mediterranean coast of Spain. According to Focus on Travel News, these endangered species are migratory and spend their spring and ...

LOS ANGELES -- The vaquita porpoise lives only in the Northern Gulf of California. They are shy animals that only hang out in small groups, and because of that not many people have seen them. Vaquita ...

A group of “rarely seen” Gervais’ beaked whales was recently spotted near Madeira, a Portuguese archipelago, photos show. Screengrab from the Magic Dolphin ecotour agency A mysterious group of ...

The New York Aquarium set an endangered sea turtle free on Wednesday after a successful rehabilitation, with a crowd in Coney Island cheering for the animal's return to his natural habitat. The sea ...

A manatee was one of the latest in a long line of rare marine animals to turn heads along the Texas coast last month, and — in this case — hold up a $64 million state construction project. One of the ...

JUNO BEACH, Fla. (AP) — An endangered loggerhead sea turtle was released Monday morning into the Atlantic Ocean from a Florida beach nearly three months after being hit by a boat. The adult female, ...