What We Can Learn From the Demise of the Northern White Rhino [Updated]

The health of the world’s last male northern white rhino, Sudan, is rapidly declining, bringing the subspecies’ inevitable extinction closer to a reality. Even as scientists and conservationists work on an ambitious in vitro fertilization effort, there’s little reason for hope that the 45-year-old Sudan and his two…

The Controversial, Hail Mary Plan to Save Mexico's Last Endangered Porpoises Starts Now

In a true sign of desperate times requiring desperate measures, four U.S. Navy search dolphins will be deployed on Thursday in the Gulf of California—the sea separating Baja from mainland Mexico—to help locate a critically endangered type of porpoise known as the vaquita. It’s part of a last-ditch effort to save the…