A deadly fashion craze, millions of birds slaughtered, and two women — barred from voting — who changed the egret’s fate for good.
Poaching for ivory turned tusklessness into a survival advantage, reshaping the population for generations to come.
Three tectonic plates are pulling apart, a volcano awakens after 12,000 years, and ash crosses four countries: welcome to the birthplace of an ocean.
From 20 to 77: the race against time to save a fish that exists in only one cave.
A quirk of history turned 9/11 into an unplanned natural experiment — one that revealed how much ship noise stresses whales.
Many thought it was the call of a giant creature from the deep — the real explanation is even more unsettling.
