A flush of cleaned wastewater into the Santa Cruz River has restored a fish and wildlife connection in Arizona's Sky Islands.

TUMACÁCORI, Ariz. — The Santa Cruz River is not like most American rivers. If some of its admirers get their wish, it might also become a wildlife refuge unlike any other. Much of its 184-mile ...

Arizona is a state full of world-famous destinations, but one of its lesser-known treasures is hidden among canyon walls ...