In a mating ritual, male humpback whales leap, splash and fight. But researchers ask: just what does a female whale want?
Tuning in to why humpbacks sing
Japan's lethal whale research draws criticism
Primatologist Brian Hare investigates the social behavior of chimpanzees and bonobos in Africa. But dogs and foxes showed him the way
Though they embrace computers and TV, the secret of the tribe's unity lies in fealty to their past
Susan Solomon helped patch the ozone hole. Now, as a leader of a major United Nations report—out this month—she's going after global warming
In a breathtaking spectacle, wildebeest by the millions are on the move this month in the Serengeti
The leader of the Hominid Gang asks what he can do for his continent