The Slaughter of Elk at Yellowstone National Park
And how it changed Park Service policy.
The 1876 Map of the World’s Ecozones That Still Holds Up
The 19th-century naturalist Alfred Russel Wallace created a visualization that tied different species to specific regions of the world.
Why Deep-Sea Creatures Get Weirdly Giant
A giant squid sighting has us wondering all over again: how on earth do deep-sea creatures get so large?
Keeping Up with the Carnivores
Biological research tracks predatory carnivores, who are increasingly veering into North American cities.