Scientists in China have found evidence of giant octopuses that preyed on dinosaurs between 72 and 100 million years ago. They measured an estimated 62 feet and lived in the Late Cretaceous seas. They ...

Recent research has revealed a remarkable prehistoric octopus that may have been one of the largest cephalopods ever discovered. Based on fossil beaks found in Late Cretaceous rocks, scientists ...

Now, scientists have discovered that the California two-spot octopus (Octopus bimaculoides) can also learn to use mirrors, researchers report June 3 in Current Biology. When brainstorming octopus ...

Most carnivores have teeth to grasp and eat prey, so marine animals with teeth are not uncommon. Sharks, dolphins, eels, whales, many fish species, and marine mammals like seals and sea lions have ...