Octopus brains may have grown smart from an enormous diversity of microRNAs that let them grow multiple types of brain cells.
These eight-armed, blue-blooded animals are quite intelligent. Sad about their sex lives, though.
Genetic analysis of octopuses identified DNA sequences in their brains called transposons, which may help regulate learning.
Watch debris from the sea bottom fly, as octopuses hurl sand and other projectiles at their neighbors in an Australian bay.
A new study reveals that octopuses frequently communicate with each other in challenging displays that include posturing and changing color.
Octopuses are highly intelligent, and thanks to their amazing, neuron-filled tentacles, they can do humanlike tasks such as unscrewing jars and lids.
Scientists are unveiling a rare Pacific octopus with a taste for eating its partners during sex
Octopuses move with a simple elegance, but they have no rhythm, according to new research.
Antarctic octopuses survive subzero temperatures because of the blue pigments in their blood, a new study finds.
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