Features
Meet the Alloparents
Shared child care may be the secret of human evolutionary success.
Seeing Corals with the Eye of Reason
A rediscovered painting celebrates Charles Darwin’s view of life.
Sold Down the River
Freshwater habitats around the world are becoming less and less hospitable to wildlife
How Dogs Came to Run the World
During the past 40 million years, three great lineages arose in the dog family.
Dark Matter
Most of the matter in the universe is neither bound up in stars or planets nor dispersed in clouds of "ordinary" particles. But what is it made of?
Deep Trouble
Adaptations to deepwater living make the fishes of the deep sea particularly vulnerable to overfishing.
Mental Mirrors
Special cells in the brain mimic the actions and intentions of others, forming the basis of empathy and social connections.
How Now, Little Cow?
The vaquita, the world's smallest porpoise, lives only in the northern Gulf of California. With just 200 individuals remaining, can the species survive?
At a Loss for Words
The Native-American language Salish–Pend d’Oreille is on the brink of disappearing.
The Origins of Form
Ancient genes, recycled and repurposed, control embryonic development in organisms of striking diversity.