A sleeping octopus named Heidi cycles through rippling colors and shifting skin patterns while completely unconscious, and ...

The veined octopus carries a portable suit of armor across the seafloor on two walking arms, but what surprises scientists ...

The extraordinary sight was captured off Berry Head, Devon, England by a volunteer. The post Octopus caught hitching a ride ...

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

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 ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. This octopus survives in plain sight. Here’s how it adapts ...

Octopuses are the bad boys of British fishing. Their segregation is officially a matter of hygiene: they are inky and messy ...