A park official said the visitor center, the gas station, a waste water treatment plant, an administrative building and some ...

A new study from Colorado State University, Western Colorado University and the U.S. Forest Service found evidence that ...

Wildfires can burn and spread differently depending on what vegetation they burn. The two fires in northern Arizona have ...

And not long thereafter, a handful of these toadflax plants were collected from English gardens and toted across the Atlantic ...

Along a wash west of Oracle Road near Catalina State Park, a soaptree yucca juts from the desert floor like a 30-foot-tall toilet brush.

The two wildfires burning in northern Arizona were both ignited by lightning strikes, but the vegetation fueling the blazes can lead to different wildfire characteristics and response strategies from ...