With three hearts, blue blood, and the ability to squeeze through a space the size of their eyeballs, octopuses are said to be like aliens on Earth. The new National Geographic docuseries, "Secrets of ...

In the new Prime documentary series “Octopus!” actress Phoebe Waller-Bridge spends an hour and a half narrating a story about an octopus named Doris that sets out on her own, falls in love and ...

Imagine a world without humans. A study suggests octopuses could take over. These marine creatures show remarkable ...

An octopus at the Seattle Aquarium is making headlines for trying to bust out of its enclosures for a taste of the vertebrates life. The cephalopod scaled its enclosure Feb. 26 and stretched three ...

Octopuses are renowned for their instant color-changing abilities, a skill they use to outwit predators and surprise prey. Yet, the energy cost behind this extraordinary camouflage has remained a ...

For Ghost, a 45-pound octopus believed to be between 2 and 4 years old (the average lifespan for her species), it means ...

If you can, take a moment and watch this peaceful, good-feeling video of a scuba diver and an octopus. Octopi? Octopuses?

According to the rumor, an octopus was "spotted off the coast of Portugal, hovering near a diver as he worked on underwater repairs." ...