Leatherback sea turtles are the largest species of sea turtle in the world and are considered endangered. They were ...

A rare sea creature known for its painful sting has been washing up on Alabama beaches this week. Portuguese man o’ war have ...

A photographer encountered one of the Antarctic’s most elusive sea creatures, but all he had attached to his camera was a ...

Researchers filmed the elusive Stygiomedusa gigantea nearly 3,000 feet below the surface off Argentina’s coast. This “phantom ...

Researchers identified 24 new creatures and an entire superfamily of species in the Pacific, all while NOAA moves to ...

Explore North Carolina’s most endangered animals, from red wolves to sea turtles, and learn how people are fighting to bring ...

A rare visitor is making waves both in the ocean and along the South Carolina coast.A leatherback sea turtle was spotted in ...

This article originally published at One of the world's rarest sea turtles found in distress on the Texas coast.

Discover 15 incredible animals we might lose by 2030. See the rare photos and facts about these endangered species.

A strange creature from the deep ocean, Ferreiraella populi, was named by internet users and is now a scientifically ...

Dive into the abyss and discover 25 terrifying deep sea creatures living in the most extreme ocean depths. From anglerfish to ...