GRAND CANYON NATIONAL PARK, AZ (AP/AZFamily) ― A historic lodge on the Grand Canyon’s North Rim is among more than 70 ...

The fire burning at the Grand Canyon is now the largest active wildfire affecting national parks nationwide — and the fifth-largest blaze at a national park in recent history. A lightning bolt ignited ...

The researchers were fascinated by a landslide that formed a paleolake and an asteroid impact that carved a massive crater, ...

The senators referenced the 2006 Warm Fire, another lightning-caused fire on the North Rim of the Grand Canyon that was ...

Rocks gathered along the Colorado River contained evidence of a bustling community of animals in an ancient sea.

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the ...

Highway closures and evacuations remain in effect as a wildfire burns nearly 59,000 acres in far northern Coconino County. It ...

What could possibly link a collision in space on the Arizona desert to a landslide that irreversibly altered the face of the ...