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 wildfire that tore through a historic Grand Canyon Lodge​ had been allowed to burn for days before erupting over the weekend, raising questions about federal officials' decision not to aggressively attack it right away.

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

A new study suggests ancient wood floated into a cave far above the Colorado River when a meteorite-induced earthquake triggered a landslide, a dam, and an ancient lake.

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

The National Park Service is pushing back against members of Congress who accused the agency of allowing the Dragon Bravo Fire to spin out of control on the Grand Canyon’s North Rim.

ALBUQUERQUE, N.M. (AP) — U.S. land managers are racing the clock as hotter, drier weather raises the risk of wildfires in the nation’s overgrown forests with each passing year.

Tragically, the Grand Canyon Lodge has burned down completely in the latest wildfires raging through the area. Here's what you need to know.

Grand” is a weighty word to carry at the front of your name. It makes a remarkable promise; one that New York’s Grand Central Terminal lives up to in its cathedral-like main concourse; one which the Grand Western Canal,

The Dragon Bravo Fire started on July 4 and was managed at first as a controlled burn. Then the wind picked up, and it quickly became uncontrollable.