The modern race to save an ancient and vanishing species.

The modern race to save an ancient and vanishing species.

For 162 million years, sturgeons have fended off everything they’ve faced. Now scientists are racing to save these living fossils.

South Africa is the only place in the world where the endangered western leopard toad can be found. Can locals learn to coexist with—and conserve—their vulnerable amphibian neighbors?

South Africa is the only place in the world where the endangered western leopard toad can be found. Can locals learn to coexist with—and conserve—their vulnerable amphibian neighbors?

A forgotten museum collection reveals how a pause in industrial whaling during World War II changed whales at the molecular level.

A forgotten museum collection reveals how a pause in industrial whaling during World War II changed whales at the molecular level.

By monitoring the embryos of a little-studied forage fish, scientists are hoping to track and minimize the damaging effects of pollution in important coastal habitats.

In Mozambique’s Gorongosa National Park, wildlife is making a comeback.

Three wildfires skirted the author’s Boulder home. Then two more converged on her ancestral house in New Mexico. In the drying West, people must now keep their "head on a swivel."