An octopus rides on the back of a fast mako shark off the coast of New Zealand; a scientific video reveals an unusual ...

This rarely seen glass octopus bared all recently — even a view of its innards — when an underwater robot filmed it ...

Don’t be fooled by its small size and dazzling blue rings this tiny octopus carries enough venom to kill 26 people in mere minutes. With no known antidote, the blue-ringed octopus is one of the ...

Summer is fast approaching, and what better way to beat the heat than by lounging on a giant Squishmallows pool float?