Add Yahoo as a preferred source to see more of our stories on Google. A marine biologist had a "once in a lifetime" encounter with the rare and stunning blanket octopus off the coast of Australia this ...

Deep below the waters off the Galápagos Islands resides a tiny blue octopus that fits in the palm of a hand. But scientists ...

An octopus about the size of a golf ball was first spotted in 2015 near Darwin Island. A new study gives it both a formal description and a name.

Researchers with the Ocean Exploration Trust were exploring the ocean floor of the Papahānaumokuākea Marine National Monument when they found it Kimberlee Speakman is a Writer-Reporter on the News ...

A seldom-spotted deep-sea octopus was seen off of the coast of California in November, marking just the fourth sighting in as many decades. The evasive creature, called the seven-arm octopus, was ...

Researchers recently spotted a rare "Dumbo" octopus during a deep sea expedition in the North Pacific Ocean. The scientists noticed the rare sea creature on Sept. 13 while exploring the ocean floor at ...