How does an animal with no bones (like an octopus) move? Animals without bones are known as invertebrates. The vast majority of animals are invertebrates. Invertebrates typically have fluid-filled ...

When a blanket octopus swims, it creates a kaleidoscope of colors twirling underwater. It’s a rainbow of beauty as it glides through the sea. It’s gorgeous, and it’s almost never seen by humans in ...

Octopus mothers undertake an intense maternal journey. After laying thousands of eggs, they stop eating and dedicate themselves to guarding their young. This sacrifice is hormonally controlled by the ...

ROV SuBastian / Schmidt Ocean InstituteAn octopus documented during Dive 674, an exploration transect on the southeastern flank of an unexplored and unnamed seamount located within the national ...

Nine brains, blue blood, instant camouflage: It’s no surprise that octopuses capture our interest and our imaginations. Science-fiction creators, in particular, have been inspired by these tentacled ...