Thousands of pearl octopuses were discovered in 2018 lining thermal vents near a deep-sea volcano. Researchers now know why octopus moms gather there.

Thousands of pearl octopuses were discovered in 2018 lining thermal vents near a deep-sea volcano. Researchers now know why octopus moms gather there.

Neuroscientists are the first to record neural activity from the visual system of an octopus. Its visual landscape is a lot like ours.

Two new studies describe path of divergent sensing capabilities, tracking lineage from common ancestral neurons.

Octopuses are enigmatic beings whose experiences of industrial farming are likely to be profound.

Octopuses are enigmatic beings whose experiences of industrial farming are likely to be profound.

How squid and octopus get their big brains.

The last common ancestor between octopuses and humans was 500 million years ago, but their eyes are still "remarkably similar" to our own.

New research helps explain why some octopus mothers die after laying their eggs. The findings point to the optic gland and cholesterol.

With nine brains, blue blood and a talent for camouflage, the octopus is one of the most fascinating creatures in the sea.