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.

shrew 1

No Taming the Shrew

Good thing for us it’s small, because this predator gives no quarter to its quarry.

Invisible 1

Invisibility

A device that renders objects truly invisible may be commonplace within the next few decades.

Lethal Fuzz slide show

Lethal Fuzz

Toxic hairs enable some caterpillars to venture forth in conspicuous processions.

The Art of Bones

Nineteenth-century artist Benjamin Waterhouse Hawkins still influences how prehistoric life is represented today.

Bantu farmer

Rational Fear

As human populations expand and lions’ prey dwindles, the poorest people—and hungriest lions—pay the price.

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Recent Stories

Elephant populations continue to dwindle in Tanzania.

With proper safeguards, water currents can be harnessed out of sight.

Barely pulled back from the brink of extinction, California condors are still being poisoned by lead-based ammunition.

Vulnerable everywhere in the wild, lions already face regional extinction.