Scientists have found evidence that a 300-million-year-old sea creature previously thought to be the world's oldest octopus ...

Far below the ocean’s surface, where sunlight can’t reach, some of the most unusual creatures on Earth thrive in complete ...

The fossil once believed to be the world’s oldest octopus has been reclassified as a nautiloid relative after new research ...

The ocean is still one of the biggest mysteries on Earth, and the deeper you go, the stranger it gets. Far below the surface, where sunlight can’t reach, lives a world full of creatures that look more ...

You won’t see these during the day. From alien-like fish to shocking surprises, we explore the ocean after dark to uncover what’s really lurking below.

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

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

The deep ocean just got more mysterious: 110+ new species discovered.