An octopus doesn’t get a second chance when a shark or dolphin is nearby. With no shell for protection, this soft-bodied ...

Few animals in the ocean look, move or function quite like the octopus, a soft-bodied invertebrate whose internal machinery is almost as strange as its shape-shifting exterior. Beneath that boneless, ...

A fisherman in the Philippines got more than he bargained for when a feisty octopus wrapped its tentacles around his face and refused to let go, forcing him into a frantic struggle to peel it off.

This unassuming octopus pairs bacterial chemistry with evolutionary efficiency to deliver one of the most powerful defenses in all of the ocean. The blue-ringed octopus (genus Hapalochlaena) is small ...

The man spent several seconds trying to pry the sticky eight-legged creature off and at one point uses a club.

Octopus discovery highlights a rare ghost-white species that, 10 years later, remains officially unnamed because no specimen ...

Octopus arms have an axial nerve cord built in repeating segments, the first case of nervous system segmentation documented ...