Researchers studying a deep-sea octopus called Muusoctopus robustus have found thousands of the animals congregating at hydrothermal springs near an underwater mountain off California, raising fresh ...

Coleoid cephalopods, which include squids, octopuses and cuttlefish, represent a dynamic and diverse group whose palaeontological record provides critical insights into evolution and adaptation in ...

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.