Four of the five wildfires burning in Colorado have together consumed more than 19,300 acres, according to fire ...

The Cram fire is the largest in the state, expanding overnight to more than 64,000 acres, according to the Northwest ...

Hot, dry conditions and strong winds have made it difficult to contain the Cram fire, the largest active wildfire in the ...

The fire on the North Rim of the Grand Canyon started from a lightning strike but was managed as a controlled burn until it ...

The soil surface temperature in areas around Greek capital Athens rose in some places by as much as 10 degrees Celsius since ...

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

ABC News senior meteorologist Melissa Griffin tracks the Western weather that could pose a risk for new wildfires, plus the tropical threat on the Gulf Coast.

Wildfires have scorched hotspots in several Mediterranean countries this month, with blazes forcing thousands of people into ...

The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...

At least four firefighters have been injured over the last week while battling three wildfires in Northern California forests ...

Wildfires have forced evacuations for visitors and staff at two national parks — Gunnison and the Grand Canyon — in the U.S.