Wildfires raging near the Grand Canyon's North Rim have prompted evacuations, air quality concerns and the closure of the ...

Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air due to drifting smoke from Canadian wildfires.

The Coconino County Sheriff's Office helped evacuate people from an area north of Jacob Lake and campers in the Kaibab ...

Visitors and staff at two national parks in the U.S. West have been evacuted because of wildfires. Officials at Black Canyon ...

Spreading wildfires forced the evacuation on Friday of part of the famed Grand Canyon, with the National Park Service ...

The NPS recommends avoiding hiking the Grand Canyon's inner trails between 10 a.m. and 4 p.m., when temperatures are at their ...

A summertime hike to the bottom of the Grand Canyon is never just a walk in the park, but trail closures and detours amid construction of a new water pipeline are prompting additional safety concerns ...

NASA astronaut Don Pettit has just shared a beautiful shot of the Grand Canyon captured from the space station during his recent stay there.

America’s wonders are a showcase of nature’s astonishing diversity, offering some of the most visually stunning and ...

On his first trip to the Grand Canyon Star Party, Dave Eicher joins thousands for a week of lectures, observing, and cosmic wonder.

Grand Canyon Caverns and restaurant have opened after being closed for nearly 3 years. Here's why it closed and how to go into the Grand Canyon caves.