This octopus can brood its eggs for nearly four years without eating. Here’s how this biological extreme has reshaped how ...

The abyssal depths of the world's oceans are a place of eerie mystery. The creatures that lurk therein live strange lives, vastly different from those on the temperate surface. An encounter with one ...

The deep ocean is about as mysterious as the depths of outer space, and it's home to some bizarre finds, from tiny angelic creatures to giant worms.

Scientists have discovered at least four new species of octopus in the deep waters of a 100-square-mile area near Costa Rica, officials from the Schmidt Ocean Institute said on Tuesday. An ...

A new species of flapjack octopus, with massive eyes and blood-red tentacles, has been discovered from a deep-sea canyon off the coast of Australia. The new species has been named Opisthoteuthis ...