A fossil found in Utah two decades ago now gives researchers a better understanding of what Utah's ecosystem looked like 76 ...

Come January 9, the least Peñasco Chipmunk will officially become an endangered species, thus closing off its habitat for any ...

A new line of evidence is providing further corroboration of the antiquity of fossilized footprints discovered at White Sands ...

Tucson Bird Alliance and volunteers have counted the stunning birds each spring in their only U.S. breeding stronghold.

After decades of eradication – the New World screwworm has once again spread through several countries in Central America.

A chipmunk found only in New Mexico was listed as endangered in December of last year. The Peñasco Least Chipmunk is one of ...

Two wildfires in southwest New Mexico are growing, with high temperatures and dry conditions making containment difficult.

A flesh-eating parasitic fly is invading North and Central America. The consequences could be severe for the cattle industry, ...

The Phoenix Zoo has raised Chiricahua leopard frogs from eggs to release into the wild since 1995. For 30 years, the zoo and ...

The six Mexican wolf pups were only 10 days old when they made their unusual journey from the Endangered Wolf Center in ...

Lawyers for President Donald Trump's administration say he has the authority to abolish national monuments meant to protect historical and archaeological sites.

Rabies is a well-known disease that causes fear and concern because once the symptoms start, it is inevitably fatal. The ...