The finned octopus lived alongside T. rex and may have been one of the top predators in the ancient ocean food chain.

This octopus survives in plain sight. Here’s how it adapts its body in real time to mirror dangerous species and navigate one of the ocean’s most exposed environments.

The discovery challenges a 370-million-year-old assumption that only vertebrates could be top ocean predators.

Add Yahoo as a preferred source to see more of our stories on Google. A mother octopus broods her eggs near a small outcrop of rock unofficially called El Dorado Hill. When a female octopus broods ...

We now know that the warmth of the springs at the Octopus Garden give the embryos a better chance for hatching and early life ...

Can you imagine spending your entire life without ever touching the floor? Well, that’s the reality for this octopus. Pelagic ...

New species found: Researchers confirmed Grimpoteuthis feitiana as a new dumbo octopus species from a 1,240-meter-deep specimen in the Western Pacific. ROV technology's role: Remotely operated ...

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 ...

A new species of octopus may have just been discovered off the coast of Costa Rica. It was found in a rare brooding site that marks only the third octopus nursery known to exist in the world. The ...

Add Yahoo as a preferred source to see more of our stories on Google. An Octopus cyanea hunts with a blacktip grouper on one side and a blue goatfish on the other. (Eduardo Sampaio and Simon Gingins) ...

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 ...