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 ...

It’s no secret the deep sea is home to some strange-looking animals, so might we introduce you to yet another weirdo: the seven-arm octopus, AKA “the blob octopus”. This ocean giant can weigh up to 75 ...

Scientists on California’s Central Coast recently spotted a giant, evasive seven-arm octopus while on a research expedition in Monterey Bay.The rare creature, called Haliphron atlanticus, was seen by ...

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A mysterious little blue octopus discovered nearly 6,000 feet beneath the waters of the Galápagos Islands has officially been identified as a brand-new species. About the size of a golf ball, the tiny ...

Head nearly 6,000 feet deep into the waters of the Galápagos Islands off the coast of Ecuador, and you will likely encounter ...

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.

A new blue octopus species, Microeledone galapagensis, was recently discovered near Darwin Island in northern Galápagos.