Octopuses have been one of mapmakers' favorite symbols for hundreds of years—used primarily to portray threats of political ...

Experts at the Florida Aquarium in the US give this octopus, a cephalopod called Farallon, an activity each week to help stimulate her brain... this week's challenge was drawing on a canvas!

Children and adults alike kept their eyes fixed on a glass tank as aquarist Mark Olson prodded a small octopus out of hiding. After a few gentle prompts, the octopus shot out from under a rock and ...