A conservative Texas group is challenging the legality of the 600,000-acre monument south of Joshua Tree, citing mining ...

President Joe Biden exceeded his authority by creating the Chuckwalla National Monument, alleges a lawsuit that challenges ...

A new study finds that the Sonoran Desert’s iconic cactuses are suffering, not only from prolonged drought but also from ...

“Interstate 11 would devastate treasured places like the Sonoran Desert National Monument. It also poses grave threats to endangered wildlife like cactus ferruginous pygmy owls. I hope this agreement ...

As official research positions are lost to budget cuts, the work of citizen scientists to preserve federal forests is ...

The west option would have the most pronounced effects on wildlife and public lands. North of Tucson, the highway would run alongside Sonoran Desert National Monument, threatening its wilderness and ...

This section of the Sonoran Desert near the border between Arizona and Mexico features massive cacti, colorful birds and rock arches. An International Biosphere Reserve and a federally designated ...

“The Chuckwalla National Monument is illegal and unconstitutional ... Named for the lizard found in the Sonoran and Mojave Desert and northwestern Mexico, Chuckwalla, which is south of ...