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 ...

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 ...

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 ...

Modelling of ocean currents suggests that larvae from Guernsey, which saw its own octopus bloom in 2024, "likely contributed to the UK surge", the report added. An octopus bloom may reoccur again ...

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 ...

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 ...

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, ...

Off the south-west coast of the UK, a creature usually glimpsed only by divers and night-fishing crews suddenly became impossible to ignore. Through 2025, common octopus numbers surged so dramatically ...