The deep-sea Dumbo octopus was spotted a mile below the surface of the Pacific Ocean, close by an unnamed seamount in the Papahānaumokuākea Marine National Monument.

There was much to celebrate: The 18-person team had just discovered the fourth known deep-sea octopus nursery in the world—as well as possibly a new species. The other three nurseries exist off ...

Scientists have uncovered the secrets of an "octopus garden" in the deep ocean. The garden was discovered in 2018 on the seafloor off the Central California coast, sparking questions about its ...

The octopus ... animals are breeding there,” said Jim Barry, a senior scientist at the Monterey Bay Aquarium Research Institute. Researchers believe the octopuses migrate to the deep-sea thermal ...

The Clifford family of Edmond, Okla., tracked down an octopus for their son Cal, 9, who has been infatuated with the sea animals for years. What they didn’t expect were the 50 hatchlings.