A Tucson man is dead after a boating accident at Lake Talkalai near the San Carlos Reservation.His grieving family is hoping ...

Foes of a plan to construct a new interstate highway — including a segment that could go through environmentally sensitive ...

The Sonoran Desert, known for its arid condition, is equally unique and has been dubbed the “lushest desert on earth” because ...

The Tohono O’odham Nation signed a co-stewardship agreement with the U.S. Bureau of Land Management for federal lands with ...

In response to a lawsuit from conservation groups, the Federal Highway Administration and Arizona Department of ...

The Center for Biological Diversity and the Patagonia Area Resource Alliance say federal regulators failed to review a ...