Octopuses

A striking photo of an octopus won diver Gabriel Barathieu the title of Underwater Photographer of the Year 2017.

A wild octopus surprised an Australian diver this week by suddenly, and quite dramatically, inflating itself with water, ballooning up like a parachute.

In the dark of night, an enterprising octopus named Inky snuck out of his tank at the National Aquarium of New Zealand and made an eight-armed dash for freedom.

Check out these amazing underwater photos of a deep-sea octopus squid, flashing spotlights on its arms and showing off its seeming red lips and round eyes.

Forr the first time, scientists have sequenced the genome of the eight-legged rock star, revealing how its complex noggin evolved.

These amazing photos reveal the California two-spotted octopus, which just had its genome sequenced to reveal the underpinnings of the cephalopod's complex brain and wacky behaviors.

A very unusual octopus has scientists wondering just how well they really know the mysterious eight-armed creatures that inhabit the world's oceans.

There are lots of cute (and some not-so-cute) critters out there whose names really reflect their physical characteristics.

Octopus mating involves shifting body colors, detachable "penises," long-distance mating and sexual cannibalism.