Blanket octopus pairs are some of the undersea world’s oddest couples. What’s so startling is the size difference: Males are about the size of a walnut—less than an inch long—but some ...

Octopuses have a large nervous system, with the average octopus having about 500 million neurons or brain cells. That puts it in the same “brain range” as smaller mammals such as dogs. Unlike ...

An curved arrow pointing right. With their eight arms and giant egg-shaped head, octopuses are one of the most alien-looking creatures on the planet. We read Katherine Courage's book "Octopus!" ...

During a December 2023 expedition in the Hauraki Gulf near Kawau Island, scientists from the University of Auckland captured ...