National Geographic releases a new docuseries, "Secrets of the Octopus," revealing that the creatures are more human-like than we think.

The team discovered that the Pygmy zebra octopus has stripe patterns as unique as human fingerprints, allowing even humans to tell them apart.

For the first time, marine biologists have measured the energy demands of octopus color changes, revealing that the process requires more calories than a 25-minute jog.

When veteran fisherman Brian Tapper checked his 1,200 crab pots in waters off southwest England during this year's crabbing ...

This Giant Pacific octopus, from the world's largest octopus species, was elated to show off her abode to the human.

An octopus at the Seattle Aquarium is making headlines for trying to bust out of its enclosures to get a taste of the vertebrates life.