Featured in social behaviors

Female vampire bats regurgitate bloody dinners for their starving girlfriends
Gorillas can be cliquey, too. Here’s what that says about our own social lives.
A 50-million-year-old school of fish is etched forever in this rare fossil
Cuddling up may keep red-bellied lemurs healthy
Octlantis: Where octopuses buck tradition and live in groups
African wild dogs vote with sneezes on important pack issues
Scientists know how to make mice angry—but mice know how to keep their cool
Running might be kind of contagious
These monkeys avoid sick friends by sniffing their poo
Humpback whales are organizing in huge numbers, and no one knows why