Wildfires across the U.S. have burned thousands of acres this year, including significant areas within national parks and ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at ...

When wildfires burn, the smoke can travel long distances and degrade air quality far away, which presents risks for those ...

Here are other updates on Northern California wildfires. The Orleans Complex fire spanning Del Norte and Siskiyou counties ...

Multiple large wildfires were burning across the western U.S. on Saturday, as millions of people faced heat alerts across the ...

On the day Maui County Mayor Richard Bissen sat down for an interview about the upcoming two-year anniversary of the Aug. 8, ...

A reader asks if climate change has fueled the increase in wildfires and severe storms. The answer seems clear.

"Invasive eucalyptus are crashing biodiversity in California," Dickson wrote in the caption. "These trees fall from wind easy ...

As cooler air sprawls in the eastern United States, heat will throttle up in the zone from west of the Rockies to east of the ...

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

The fire in Grand Canyon National Park has grown to more than 100,000 acres amid dry weather and a weak monsoon season in ...