Evolution

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

A lanky reptile found in the Centennial State is a close cousin of early dinosaurs

At the Kermadec Islands, humpbacks from all over the South Pacific converge and swap songs. Christopher Intagliata reports. 

The leafy lichens seem to have picked up where a lot of incinerated plants left off

A new study explores the brain structure of various dog breeds and how it relates to their behavior

Homo sapiens is not the only species that lies

Book recommendations from the editors of Scientific American 

As Hurricane Dorian approaches Florida, consider that feeding style means that aggressive tangle-web spider colonies produce more offspring after severe weather, while docile colonies do better in calm conditions.

An ancient cranium discovered in Ethiopia suggests the early hominin evolutionary tree is messier than we thought