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

A wildfire burning in the Kaibab National Forest that prompted highway closures and expanded evacuations along the northern rim of the Grand Canyon has grown by thousands of acres.As of Saturday ...

A fire near the Grand Canyon National Park in Arizona has grown more than 20 times in size in 24 hours as an intensifying ...

Severe thunderstorms are expected to hit the Midwest this weekend, and the South faces a renewed risk of flash flooding.

Strong winds and hot, dry weather continue to fuel two separate wildfires near the northwestern side of the Grand Canyon ...

As fire crews continue suppression efforts amidst extreme fire conditions on the White Sage Fire, about 2 miles northeast of ...

Parts of the Jacob Lake area are under GO evacuation orders, and the North Rim of the Grand Canyon is also evacuating. The fire has grown to 19,573 acres.

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

A rapidly growing fire near the Grand Canyon has expanded more than ten times in size over the last 24 hours.

Hundreds of visitors and residents were evacuated from the North Rim of Grand Canyon National Park this week as two wildfires ...

On a hot day, after a long hike or after wearing uncomfortable shoes, you may feel tempted to slip off your footwear to drive. Should you?

A University of Arizona researcher is part of an effort to identify the diseases carried by ticks, and she's asking people to send her samples.