Deep-sea creatures often look more like science fiction monsters than marine animals. The glass octopus is one such animal. The Schmidt Ocean Institute captured this footage of the incredibly rare ...

On certain remote shores in northern Australia, the line between sea and land is not as firm as it looks. When the tide ...

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 ...

Octopuses are cephalopods that live in oceans around the world. They are also some of the most intelligent creatures on Earth. Their brain structures vary depending on where they live. For example, ...

Octopuses have often been thought to prowl the seafloor solo using camouflage. But a new study suggests that some have surprisingly rich social lives. A new study found that some members of an octopus ...

SAN FRANCISCO — Octopuses have eight flexible arms, each equipped with hundreds of suckers that can taste, smell, feel, and react on their own. While that sounds like science fiction, it’s exactly how ...

Scientists say they have discovered what might be a new species of octopus while searching the Pacific Ocean floor near the Hawaiian Islands. On Feb. 27, a team found a small light-colored octopus at ...

This octopus behavior might look funny at first glance, but it reveals how evolution solves complex problems in unexpected ways.

Last year, speculative fiction author Ray Nayler published "The Mountain in the Sea," his first novel, depicting a not-too-distant future in which humankind is faced with an awe-inspiring (and deeply ...