Octopuses are perhaps the most unusual creatures to have ever inhabited the ocean. Their soft body, eight arms, and high ...

Researchers with the Ocean Exploration Trust were exploring the ocean floor of the Papahānaumokuākea Marine National Monument when they found it A livestream of a deep sea expedition caught a ghostly ...

Blue-ringed octopus found at Callan Park in Sydney Animal is one of world's most deadly sea creatures READ MORE: Dad paralysed after octopus bite at Balmoral Beach A deadly blue-ringed has been ...

Scientists have discovered at least four new species of octopus in the deep waters of a 100-square-mile area near Costa Rica, officials from the Schmidt Ocean Institute said on Tuesday. An ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Blue blood may look alien, but it’s one of evolution’s most ...

A new species of flapjack octopus, with massive eyes and blood-red tentacles, has been discovered from a deep-sea canyon off the coast of Australia. The new species has been named Opisthoteuthis ...

A deep-sea mystery involving thousands of octopuses found off the coast of Central California was recently solved by a team of ocean researchers, KTLA sister station KRON reports. The mystery appeared ...