QuantumScape's tech progress is notable, but competition, policy risks, and losses cloud its outlook despite market hype.

When you look for a lake holiday, Arizona may not immediately spring to mind. The state is better known for sprawling forests ...

A conservation group is suing the Trump administration over the protection of critical habitat for garter snakes in Arizona and New Mexico.

The Phoenix Zoo, along with several conservation partners released 25 threatened garter snakes into the Tonto National Forest on Sept. 13.

The northern Mexican garter snake, is losing habitat due to livestock grazing on federal land in Arizona, according to the Center for Biological Diversity.

Garter snakes are named for their resemblance to the garter belt, a narrow band of fabric used to hold up stockings on the leg. Copperheads get their common name from their heads resemblance to a ...

Scientists found striped 2-foot-long reptile in Jalisco mountains and discovered new species: Ahumada’s alpine garter snake, study said.