mekong river boat

Sold Down the River

Freshwater habitats around the world are becoming less and less hospitable to wildlife

Aelurodon ferox pack pursues a three-toed horse

How Dogs Came to Run the World

During the past 40 million years, three great lineages arose in the dog family.

dark matter

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?

blue hake

Deep Trouble

Adaptations to deepwater living make the fishes of the deep sea particularly vulnerable to overfishing.

Mirror Neurons

Mental Mirrors

Special cells in the brain mimic the actions and intentions of others, forming the basis of empathy and social connections.

Vaquita Mother and Calf

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?

elde

At a Loss for Words

The Native-American language Salish–Pend d’Oreille is on the brink of disappearing.

butterflies

The Origins of Form

Ancient genes, recycled and repurposed, control embryonic development in organisms of striking diversity.

Darwin's Shrink

Darwin’s Shrink

A noted Darwin historian probes the naturalist’s inner life.

Fish art

Fish Out of Water

Human ailments as varied as hernias, hiccups, and choking are a legacy of our “fishy” ancestry.

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Recent Stories

Peaks protected fifty years ago by the Wilderness Act no longer keep mountain goats safe from human impact.

By the 1920s, California had lost all of its grizzly bears—once considered a distinct species and an emblem of the state.

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