In June, the administration waived 34 environmental laws in order to expedite construction of the border wall in a remote area of Arizona's San Rafael Valley.

Conservation groups sued the Trump administration today for unconstitutionally waiving dozens of environmental laws to speed ...

Fossils of the pterosaur were discovered in Petrified Forest National Park. The fossils date back 209 million years.

All the season’s colors made the gray mockingbird seem so majestic,” says Birds & Blooms reader Sujata Roy. In addition to ...

Scientists identify the oldest flying reptile in North America, discovered in Arizona and dating back 209 million years.

An artist's depiction of a landscape from 209 million years ago at Petrified Forest National Park in Arizona, based on fossils of plants and animals ...

Tucson Wildlife Center rescuers work around the clock to save, rehabilitate, and release Arizona’s native animals back into the wild.

Doctors and researchers said the moves will make it harder to detect potentially dangerous changes. If the virus continues to ...

Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying reptile, that reveal a time of transition when venerable lineages that were ...

Planning a road trip through southern Arizona? Take the detour to Amado to check out the impressive 30-foot-longhorn ...

A report published today by the Center for Biological Diversity exposes how the Trump administration’s plans for new border ...

The diversity of ecosystems around Sierra Vista creates a wildlife viewing experience that rivals much more famous ...