The building was surrounded by vegetation on fire when a team of "helitack" firefighters arrived to protect the area on Tuesday. Grand Canyon National Park officials said the crews knew if the pump house fell, the consequences could cripple park operations for months.

A fast-moving wildfire is currently tearing through the North Rim of Grand Canyon National Park, forcing evacuations, shutting down major tourist areas and destroying one of the park’s most historic landmarks.

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

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.

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.

A meteorite impact thousands of years ago may have triggered a landslide in the Grand Canyon and reshaped the Colorado River that runs through the national park.

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.