Evolution

Domestic felines distinguish between their monikers and similar-sounding words, new research shows

Characteristic etchings on ancient prey bones reveal the animal that digested them

The raptorlike prints could also have been from juveniles of a larger species

A new theory challenges assumptions about when and how our ancestors altered their behaviors to boost brainpower

Scientists tracked bumblebee queens with radar when they emerged from hibernation and found the bees take only brief flights en route to a new nest. Christopher Intagliata reports.

A huge T. rex was crowned as king of the tyrants. But the bones may tell a different tale

A fossil snout connects flying reptiles from the Iberian Peninsula and China

Contrary to a popular hypothesis, pro-social religions didn’t kick-start complex social systems

Whatever made these structures lived 1.4 billion years before the first animals

Researchers aiming to lower the cost of mealworms were able to double the worms' size, but the larger larvae had fewer eggs and weaker offspring. Christopher Intagliata reports.

Eating porridge and cheese appears to have changed our bite to enable the vocal tract to produce new sounds

Counter to expectations, an apparent drop in dinosaur diversity at the end of the Cretaceous indicates there are many species yet to be found