Some scientists believe the Southwest is experiencing "aridification," a permanent shift to a drier climate, not just a prolonged drought. Rising temperatures cause more evaporation, meaning the same ...

Mardi Gras in New Orleans can generate more than 1,000 tons of trash every year. A coalition of nonprofit groups, city officials and scientists has a plan to clean it up. By Jackie Delamatre New ...

The little froglets and tadpoles were going home to the Huachuca Mountains in Southeastern Arizona. Filled with seemingly endless hops and squiggles, the young Chiricahua leopard frogs were packed in ...

When’s the last time you walked without your phone in hand or headphones in your ear? Or ambled just for the pure pleasure of putting one foot in front of the other, taking in your surroundings with ...