Environment How the Loss of Large Carnivores Cascades Through Ecosystems Antelope in Mozambique's Gorongosa National Park became more daring after civil war ravaged the predator population. A new study tracks the impact that's had. Kate Wheeling
Environment Reintroducing Wolves to Isle Royale National Park Four wolves were airdropped onto an island where ice bridges no longer allow consistent access to the mainland. Katharine Gammon