Researchers in Texas are sounding the alarm over the spread of invasive Australian red claw crayfish, which threaten local ...

"Continued restoration within Fossil Creek is expected to occur to maintain this initial investment of time and resources." ...

Large wildfires in the desert were once rare. Now experts worry that invasive plants and a changing fire cycle are putting our saguaros and our homes in danger.

The signs read “Welcome to California” and “Agricultural Inspection, All Vehicles Prepare to Stop.” Along California’s borders with Oregon, Nevada and Arizona, border protection stations run by the ...

The Arizona Department of Forestry and Fire Management will conduct prescribed burns near Flagstaff and Buckeye to manage ...

Repairs on a fish barrier aimed at protecting the natural ecosystem of the Virgin River was completed after about weeks of ...

Idaho needs to have a “critical conversation” about what out-of-state boat traffic looks like, Chanel Tewalt, Idaho State ...

The streak fell just a day short of tying the record of 160 days, which was set during the Nixon administration.

The new technology allows for a less invasive and more definitive identification ... excited about the discovery of the endangered species in Arizona, Angie McIntire, a bat specialist for the ...

Mexican long-nosed bats have been identified in southeastern Arizona through citizen scientist efforts and innovative DNA technology.