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 ...

Octopuses are amazing. In honor of World Oceans Day, here are eight facts about these incredible creatures. 8. Octopuses are masters of camouflage. However, research suggests that octopuses don't try ...

The octopus is known for a number of things: its flexible body, ink squirts, and of course, eight arms. With about 300 species, these cephalopods inhabit every ocean of the world and can be found on ...

Today is World Octopus Day and we're excited to celebrate the 289 species of eight-armed cephalopods who roam the seas—from the minuscule to the gargantuan. Octopuses are incredible animals with even ...

When we think of sea animals, we usually picture dolphins, whales, or sharks. But there’s one sea creature that’s quietly amazing– the octopus. With its soft body, eight bendy arms, and smart ...

Cephalopods, like humans, have camera-like eyes that focus light with a lens. The two-spot octopus gets its name from the ocelli, or iridescent blue spots, which are false eyes to startle predators ...

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 ...

The dozen or so species that make up Grimpoteuthis are called Dumbo octopuses because of the two large fins—one on either side of the mantle—that protrude like ears. Add in the octopus’s small size ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Octopuses are amazing. In honor of World ...