Add Yahoo as a preferred source to see more of our stories on Google. The elusive seven-armed blob octopus -- yes, that's a real creature -- has been caught on camera for just the fourth time in 40 ...

A hiker discovered the tentacles of the world's largest octopus species washed ashore on an Aberdeenshire beach. The remains were found on Sunday, November 30, at Forvie National Nature Reserve in ...

The world’s oceans are filled with never-ending surprises. Some shock. Some awe. And some are still waiting to be discovered.

With ear-like fins that flap gracefully through the water, the Dumbo octopus in this YouTube video looks like it waltzed straight out of an animation studio. But don’t let their cute facade fool you; ...

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

MBARI researchers have developed an innovative imaging system that can be deployed at great depths underwater to study the movement of marine life. The team used the system to study deep-sea octopus ...

Darkness dominates most of the ocean. Sunlight fades quickly as you descend, and by the time you reach the deep sea, natural ...

Some octopuses that lived over 72 million years ago were as long as whales. These huge predators may have been the largest ...

The now-extinct mollusk may have reached up to 60 feet in length, researchers have found ...