A quick tap then startles their prey into fleeing straight into the open tentacles.

Octopuses break so many biological expectations that scientists still struggle to explain how they ended up this way through ...

Octopuses are extraordinary creatures, and their blue blood is just one of the many unusual aspects of their biology. That means there's a huge part of the ocean, over 95% that are yet to be explored.

Source: Princeton University Press/ Used with permission. Octopuses and other cephalopods are amazing, strange, sentient beings. They have very active social lives and brains—some say octopuses have ...

This bizarre sea creature blurs the line between animal and object, strutting across the ocean floor while hiding in plain ...

Jenny Evans / Getty Images Octopuses are capable of sophisticated tasks, from solving puzzles to decorating their dens to remembering people's faces. So when a company in Spain announced that it ...

Prepare to be AMAZED by this viral video of an octopus solving a maze. Sashimi the Octopus even shocked his owner, Mark Rober, with the feat.

Octopuses have a way of making familiar rules feel optional. They live on Earth but behave like visitors with a different instruction manual. Scientists study them for answers about intelligence and ...