Think the yellow sprinkling of flora alongside Interstate 17 is a testament to a beautiful blooming spring? Or the increase of bass near Lake Powell is good for recreational fishing? Think again.

The endangered desert pupfish will be released into Lake Ayer on Wednesday by Arizona Game and Fish. The species has spent years living in the Boyce Thompson Arboretum.

TUCSON, Ariz.— In response to a petition from the Center for Biological Diversity and Maricopa Audubon Society, the U.S. Fish and Wildlife Service today protected the Arizona eryngo under the ...

TUCSON, Ariz.— In response to a lawsuit from conservation groups, the Federal Highway Administration and Arizona Department of Transportation have agreed to halt planning activities and reevaluate ...

The U.S. Fish and Wildlife Service encourages eating some invasive species to help protect native wildlife. Although not illegal, eating Burmese pythons is not recommended due to high levels of ...