A video shows a diver in Indonesia spending an entire dive convincing a tiny coconut octopus to swap its plastic cup home for ...

Most octopus bodies don't fossilize - but their rock-hard beaks survived long enough to reveal something extraordinary.

The discovery, using novel techniques to analyze fossilized jaws, details how colossal octopuses hunted the Late Cretaceous depths, competing with apex predators.

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

For nearly 25 years, a hand-sized fossil pulled from the rocks of Illinois held a remarkable title: the oldest known octopus ...

This unassuming octopus pairs bacterial chemistry with evolutionary efficiency to deliver one of the most powerful defenses ...

More than two decades after scientists identified a fossil as the world’s oldest octopus — officials now say it wasn’t one at all.