Evolutionary Biology

Using trunks and vocalizations, elephants reassure one another when distressed

Gelada baboons use three separate types of yawns, differentiated by the amount of teeth and gums showing, to demonstrate friendliness and aggression

The new analysis of "Clovis boy" DNA also stirs an ethics debate about the handling of tribal remains

Even salmon raised in captivity have an innate sense of how to reach their oceanic foraging grounds

In The Sports Gene David Epstein explores what separates elite athletes from the rest of us

Some scientists think that the human body is incapable of surpassing the quadruple jump, currently considered the most challenging figure-skating move

Chickens are smart, and they understand their world, which raises troubling questions about how they are treated on factory farms

A biologist aims to profile suspects from genetic material left at crime scenes

Astronomers have come up with a shopping list of what a planet needs to support life, perhaps even better than our Earth does, making them "superhabitable." Michael Moyer reports 

 

Across cultures, victorious athletes raise their arms, puff out their chests and shout, in what appears to be a physical display of dominance. Erika Beras reports

 

A sexually transmitted canine cancer has acquired almost two million mutations and is still going strong