Evolution

An experiment that partially revived slaughterhouse pig brains raises questions about the precise end point of life

Fossils and mathematical modeling are helping to answer long-standing questions about these bizarre animals 

A study suggests the phenomenon may have evolved from a mechanism for triggering ovulation

Chagnon’s views of the “fierce” Yanomamö and of the roots of war were more subtle than his critics or admirers suggested

A skull found in China reveals a previously unknown flying reptile

At 466 million years ago, the breakup of a large space rock may have led to major changes in our planet’s biodiversity

In animal studies, a set of 42 genes involved in neural development, learning and memory, and cognition seems to be associated with monogamy

Homo erectus used hand axes to butcher elephants and other game. But a new study suggests they also used finer, more sophisticated blades. Christopher Intagliata reports.

A new analysis finds extinct wombat cousins were heftier and stranger than previously thought

Squirrels constantly scan their surroundings for hawks, owls and other predators. But they also surveil for threats by eavesdropping on bird chatter. Christopher Intagliata reports. 

A smashed shell may have been crumpled by an ambling dinosaur