The octopus is one of the coolest animals in the sea. For starters, they are invertebrates. That means they don’t have backbones like humans, lions, turtles, and birds. That may sound unusual, but ...

For the first time ever, marine biologists have measured how much energy octopuses really need to change color — and it's a lot. When you purchase through links on our site, we may earn an affiliate ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. Brunswick resident Heather D. Martin wants to know what’s on your mind; ...

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 ...

Octopuses are extraordinary creatures, and their blue blood is just one of the many unusual aspects of their biology. Did you know that an octopus has blue blood [Jsim] The ocean covers more than 70% ...

A walker spotted the remains of a seven-arm octopus, the world's largest octopus species, at Forvie National Nature Reserve ...

When scientists sequenced the genome of this elusive deep-sea creature, they found clues about how squids and octopuses ...

Oregon State University’s Hatfield Marine Science Center says it has to rely on local fishermen to find a giant Pacific octopus. A Giant Pacific Octopus playing with toys in the tank at Hatfield ...

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 ...