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

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.

The team is "here to stay," no matter what, lead researcher Keith Bowers said, amid federal funding changes for scientific research.

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

A Greater Roadrunner zoomed into view and hopped atop one of the tee boxes to survey its surroundings. I focused my ...

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