Gorillas can be cliquey, too. Here’s what that says about our own social lives. By Marion Renault / Jul 10, 2019
Female vampire bats regurgitate bloody dinners for their starving girlfriends By Grace Wade / Nov 1, 2019
A 50-million-year-old school of fish is etched forever in this rare fossil By Donavyn Coffey / Jun 3, 2019
Video: Rats Choose to Liberate Their Jailed Pals, A Sign of Empathy Among Non-Primate Mammals By Rebecca Boyle / Dec 9, 2011