Consider the cuttlefish. According to new research, this cephalopod has a trick hidden up its tentacles — or rather, its large brain. It reveals one surprising aspect of this creature's intelligence: ...

Anchored to an algae-covered rock in a 120-gallon tank at the California Academy of Sciences' Steinhart Aquarium, a cluster of inky-colored cuttlefish eggs is beginning to swell—evidence of success ...

Scientists knew octopuses and squid didn’t have any depth perception, but they had a hunch their cuttlefish cousins might. By Veronique Greenwood The cuttlefish hovers in the aquarium, its fins ...