We named him Squirt—not because he was the smallest of the 16 cuttlefish in the pool, but because anyone with the audacity to scoop him into a separate tank to study him was likely to get soaked.

Octopuses are fascinating in more ways than one. Beyond their impressive intelligence, they also have other unique features like three hearts, an amazing ability to camouflage, and a central brain ...

Octopuses have earned a reputation for escaping from nearly any space, and new research shows their skills are even more remarkable than once believed. Their flexible bodies and advanced ...