Octopuses have more than one heart and they're not the only animal that does. Here's how many hearts squids and octopuses have and why they need them.

How many hearts does an octopus have? Octopuses have three hearts. One heart pumps blood throughout the body and the other two move blood to the gills, according to the nonprofit National Wildlife ...

In January 2025, an image allegedly showing a giant octopus washed up on an Indonesian beach was shared across several social media platforms. One post claimed this was a "real size" for the animal.

The eldritch, alien movements of octopus arms have captivated people for generations. These underwater cephalopods don't have just one brain but nine, with each of their arms able to act semi ...

Previous studies have described the basic anatomy of octopus suckers, which rely on a cavity toward the top and flexible sides to create pressure and form a seal.

Researchers off the coast of New Zealand caught a rare sight on camera - an octopus hitching a ride on the back of an ultra-fast shark species.

The Philadelphia Eagles' return to the Super Bowl in 2025 has bettors everywhere talking about an octopus. No, this is not a real octopus. It's a not a nickname for a player (or at least not a ...

Why Do Octopuses Remind Us So Much of Ourselves? They change shape and color, and squirt ink. But they also will return your gaze, "as if they're scrutinizing you." ...

Researchers just invented gloves that give your hands octopus powers By studying octopus' remarkably dextrous tentacles, researchers have put their gripping power into a wearable glove ...

‘Finding Dory:’ How “Reluctant Superhero” Hank the Octopus Made it to the Screen "An octopus is super elastic, and almost gooey when it moves." ...

In early June 2024, an image allegedly showing a giant octopus washed up on an Indonesian beach went viral. Numerous posts on X claimed it was a photograph taken in Bali.

Researchers in Greece have built a robotic octopus that swims through the Aegean Sea just like the real eight-tentacled sea creatures do. They've even been able to make the robot swim faster than ...