Two environmental groups are pushing the federal government to list the Sonoran Desert tortoise as an endangered or threatened species. This morning, the groups Wild Earth Guardians and Western ...

The United States Bureau of Land Management approved a new gold mine project near Wickenburg. The project raised environmental concerns regarding water usage, potential groundwater contamination and ...

The Mojave desert tortoise was once common throughout the Mojave and Sonoran deserts of California, Nevada, and Arizona but declined by an estimated 90% in the last 20 years, according to the SDZWA.

The wildlife service decides the Sonoran desert tortoise isn't a threatened or endangered species, but finds a wide range of threats to the animals and their habitat.

Environmentalists have returned to federal court in hopes of securing Endangered Species Act protections for the Sonoran desert tortoise. In the latest round of a yearslong dispute, the Tucson ...

The Sonoran desert tortoise population is stable and not in need of protection under the federal Endangered Species Act, the U.S. Fish and Wildlife Service said Monday. The tortoises, native to ...

The Sonoran Desert tortoise has been proposed for listing under the Endangered Species Act but is not currently protected by this federal law.

The San Diego Zoo Wildlife Alliance and The Living Desert Zoo and Gardens have reintroduced 70 critically endangered Mojave desert tortoises to their native habitat on Edwards Air Force Base.

The San Diego Zoo Wildlife Alliance and The Living Desert Zoo and Gardens have reintroduced 70 critically endangered Mojave desert tortoises to their native habitat on Edwards Air Force Base.

The San Diego Zoo Wildlife Alliance and The Living Desert Zoo and Gardens have reintroduced 70 critically endangered Mojave desert tortoises to their native habitat on Edwards Air Force Base.