Researchers have found a link between two geological events in iconic locations of the U.S. Southwest that scientists ...

U.S. land managers have long known that they have a problem on their hands with overgrown forests and persistent drought.

A new study suggests ancient wood floated into a cave far above the Colorado River when a meteorite-induced earthquake ...

Fire crews allowed a fire to burn through brush on the Grand Canyon’s North Rim. They they lost control.

A new report has calculated that making national parks the responsibility of states would raise costs, cut revenue and reduce ...

As crews battled to contain two wildfires in northern Arizona, Grand Canyon National Park implemented Stage 2 fire restrictions on Thursday.

She was written out of Grand Canyon history, but fires are putting her iconic buildings at risk. Meet Mary Colter, the architect you've never heard of.

A combination of high winds, dry air and above average temperatures caused a wildfire in the Grand Canyon to rapidly expand and cause major damage.

Most of the damaged and destroyed properties were cabins for visitors, according to data from a preliminary report.

The Dragon Bravo Fire continues to damage Arizona's crown jewel, the Grand Canyon, as wildfires in the Southwest persist. As ...

National Park Service is defending its handling of a lightning-sparked wildfire that destroyed the nearly century-old Grand ...