The elusive seven-armed blob octopus -- yes, that's a real creature -- has been caught on camera for just the fourth time in 40 years. Researchers were not looking for the octopus, but it wandered ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Most octopuses live fast and die young. In shallow seas, ...

Journey to the deep sea with the Schmidt Ocean Institute and witness the ghostly beauty of the glass octopus. This footage provides new insights into a creature first discovered in 1918 but seldom ...

Deep-sea creatures often look more like science fiction monsters than marine animals. The glass octopus is one such animal. The Schmidt Ocean Institute captured this footage of the incredibly rare ...

Uncover 25 bizarre deep-sea creatures that defy explanation. See alien life forms like anglerfish and goblin sharks thriving in extreme ocean depths. Explo ...

DORIS, a sub-$10,000 passive lander that could open ocean research to small island nations. Schmidtocean.org Somewhere in the final days of a 28-day voyage, a research team lowered a remotely operated ...

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 golf-ball-sized blue octopus collected nearly a mile beneath the Pacific Ocean in 2015 has been formally described as a new species — and in doing so, it has forced scientists to rewrite the ...