BOULDER, Colo. — Wildfire smoke from New Mexico has been pushing into Colorado for several days now and some of it could come close to the Denver area on Wednesday morning. One of the best tools in ...

GRANTS PASS, Ore. -- Where there's fire, there's smoke. But it's not always clear where the smoke is coming from and where it's going. So U.S. Forest Service meteorologists have developed a computer ...

For 49 straight days, everyone in Seeley Lake was breathing smoke. A wildfire had ignited outside the small rural community in Montana, and the plume of smoke had parked itself over the houses. Air ...

Amid the rapturous applause, standing ovations and exchange of symbolic mementos during Ukrainian President Volodymyr Zelenskyy’s Dec. 21 address to Congress lay a curious reference to a peace formula ...