Evolution

A new analysis of fossil beasts adds a new wrinkle to the story of when the Age of Mammals really took off

Fossils found in New Mexico reveal a carnivorous dinosaur from before the time of T. rex

The rainbow of pigments that animals use for blood illustrates a central truth about evolution

Many animals once thought to have poor sight in low light use tricks in their nervous systems to see brilliantly in the dark

One of Nepal’s major faults appeared worrisomely silent—but new evidence suggests otherwise

Experiments in humans and animals have started to identify how violent behaviors begin in the brain

New device is a step toward translating thoughts into machine-spoken words

Fossils found in the Gobi Desert reveal an unusual herbivore.

Academic gatekeeping obscures the contributions of communities vital to the study of ancient life

Felines move their ears, heads and tails more when they hear their names compared to when they hear similar words. Jim Daley reports.

Freshwater dolphins are evolutionary relics, and their calls give clues to the origins of cetacean communication in general. Christopher Intagliata reports.

The tiny brain of a honeybee is apparently able to calculate small numbers' addition and subtraction. Annie Sneed reports.