Scientists from Stony Brook University and the Max Planck Institute of Animal Behavior have pieced together a timeline of how brain and body size evolved in mammals over the last 150 million years.

Body size in mammals ranges from tiny bumblebee bats weighing in at less than two grams right up to the largest animal that has ever lived, the several-tonne blue whale. So we need to understand how ...

Behavior that we’d consider intelligent is oddly widespread in the animal kingdom. Animals with very different brains from ours—a species of octopus and various birds—engage with tools, to give just ...

Scientists have long believed that, generally speaking, the bigger an animal is, the bigger its brain. But our recent study challenges the nature of that linear view and reveals new insights about how ...