We read Katherine Courage's book "Octopus!" and discovered that the octopus is even weirder than it looks. A special thanks to NOAA and professor of marine biology at the Alaska Pacific University ...

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 ...

Add in the octopus’s small size (generally around eight inches), relatively short arms, bell-shaped body, pale coloring, and tendency to hover over the seafloor, and you’ve got a cephalopod ...