You might believe lions, wolves, or grizzly bears sit comfortably atop the food chain. Yet a growing body of research tells a ...

As congressional Republicans push to delist gray wolf and grizzly bear populations from Endangered Species Act protections, they now have an ally in the administration who has taken a skeptical view ...

Freed from the threat of invasive predators, Galapagos birds are performing astonishing feats of return and innovation – 200 ...