The desert city in southern Arizona is a sanctuary for stargazers—and now it's even easier for visitors to explore.

More than 1 million people could pour into western Maricopa County in the coming decades – if housing developers can secure ...

A planned expansion of the park’s east entrance parking lot has created a unique opportunity to study these protected desert giants.

This 92,867-acre park is dedicated to the largest cactus in the U.S., the saguaro (pronounced sa-WAH-ro), a universal symbol of the American West. The park is divided into two districts ...