Once thought resistant to invasion, California's deserts are losing native plants to aggressive weedy species like Saharan mustard. New research shows its spread is disrupting biodiversity and ...

Arizona’s deserts are home to some of the most shocking and elusive creatures on the planet. From bizarre nocturnal hunters ...

Lorayne Meltzer has lived along the Gulf of California for 30 years. As an ecologist and director of a binational field ...