Geologists examine a massive fissure in Arizona and find that may have existed way before it caught public attention.

Groundwater is life in Arizona. Find out how we’re helping Grand Canyon communities manage their limited water supplies.

“Save the Desert,” it said. The Starck Ranch was located on a “pie-shaped wedge of land” between the corner of Scottsdale and Indian School roads and the Arizona Canal, according to a 1985 ...