A massive landslide would have dammed the Colorado River, forming a deep lake that has since dried up. A meteorite impact ...

Built nearly 100 years ago, the remote lodge offered majestic views of one of our finest national parks before it burned in ...

Drought, a warming climate and decades of firefighting policies that suppressed natural fires have turned many grasslands and ...

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

Those players were expecting to be playing for a new coach this season after their head coach, Matt Werle, left the Lopes in ...

Wildfires burning at or near the Grand Canyon's North Rim are still raging as strong winds, high heat and low humidity ...

A wildfire that tore through a historic Grand Canyon Lodge​ had been allowed to burn for days before erupting over the ...

A wildfire that destroyed a historic Grand Canyon lodge is continuing to spread out of control after it had been allowed to ...

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 ...

The fire on the North Rim of the Grand Canyon started from a lightning strike but was managed as a controlled burn until it ...

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