There are many unique species of fish living in the Colorado River. Some include the bonytail chub, razorback sucker, and ...

Petrified Forest National Park spans around 346 square miles of semi-desert shrub steppe and highly eroded and colorful badlands in northeastern Arizona. The park is a blend of short grass prairie and ...

Anza-Borrego Desert State Park is California's largest state park, and that means plenty of wildlife. Find out what animals ...

Wadisuchus kassabi is both a new species and the first member of a new genus, or group of species that share physical similarities and an evolutionary line. The species was named after the valley ...

Four dozen tiny pupfish are swimming in a constructed habitat in a giant glass structure once meant to house humans.

Arizona’s desert birds are in decline, according to a national conservation report tracking long-term bird populations, prompting one conservation group to ask the federal government to take action on ...

As smoke from the nearby Line Fire blanketed the Big Bear Alpine Zoo over the past week, workers at the zoo sprang into action to protect their animals — and looked to their colleagues in the ...

Animals from the Big Bear Alpine Zoo that were transported to Living Desert Zoo and Gardens in Palm Desert last week to evacuate from the Line fire could be returning back home on Thursday. Conditions ...