Good eye—this is not an octopus. It’s a giant phantom jelly (S. gigantea), with a bell that can stretch 3.3 feet across and four 33-foot arms that look like smoke billowing out from the bell.
Communication has come a long way in 60 years of 'Star Trek'—and the combadge represents one of its biggest technological evolutions.
Unlike most of its invertebrate peers, octopuses gave up protective shells... But it seems that the sacrifice was totally worth it.
The hectocotylus is both a reproductive and sensory organ, Harvard scientists and others have found.
Marine scientists in New Zealand have documented the world's weirdest road trip pairing.
The cephalopods team up with a variety of fish for hunting, and that results in some complex relationship dynamics that can include violence.
A recent expedition to the waters of Costa Rica has yielded new discoveries about deep sea octopuses.