A thunderstorm illuminated the sky over Yellowstone National Park on July 3, stunning footage shows. Shreenivasan Manievannan ...

PHOENIX — Arizona's highest-ranking elected officials are demanding answers after fire managers waited several days to attack ...

A wildfire that leveled a historic lodge and visitors center on the Grand Canyon’s North Rim grew rapidly more than a week after it began as firefighters pushed ahead Monday with efforts to slow its ...