Drought, groundwater pumping and invasive species threaten Chiricahua leopard frogs, but a team of volunteers is trying to save them.

AJO, AZ (AZFamily) — A new lawsuit aims to protect an endangered species that advocates say is threatened by Arizona border wall construction. The Center for Biological Diversity sued the Trump ...

A Tucson-based environmental group is accusing the Trump administration of moving at a snail's pace in determining whether a ...

The Center for Biological Diversity says the U.S. Fish and Wildlife Service ignored the legal deadline to list the ...

Sometimes the best things in life are the ones that literally stop you in your tracks and make you forget your own name for a ...

Remote wildlife cameras recently captured a rare and endangered jaguar crossing the Arizona borderlands.

Anglers love smallmouth bass, but bronzebacks also have a dark side. Here's why they're a problem for brown trout populations ...

A wetlands restoration project in eastern Arizona, which has bolstered six ponds, is helping a frog species get through ...

"There's potential that whatever turtles we salvage from Quitobaquito may not be able to go back there for a long time." ...

Photo Credit: iStock Chirping crickets, fluttering butterflies, and looping grasshoppers make up the soundtrack of New ...

An elusive threatened owl species also lives in Copper Creek Canyon, trail camera footage captured by the Lower San Pedro ...

A freshwater mussel found in parts of the Rio Grande is at the center of a new legal fight. The Center for Biological ...