Canadian wildfire smoke will lend a hazy appearance to the sky, and high clouds blanket much of the Philadelphia region, ...

Canadian wildfire smoke, along with high clouds blanketing much of the Philadelphia region, will lend a hazy appearance to ...

Air quality alerts are in place for portions of 10 states from Minnesota to Delaware as officials warn the smoke may become ...

Wildfire smoke will continue to linger and bring a haze to parts of the area Wednesday. Expect overall cloudy and muggy ...

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

A small medical transport plane crashed and caught fire Tuesday on the Navajo Nation in northern Arizona, killing all four ...

Big heat is heading for the northern tier of the Northeast, while humidity levels stay down for much of the Northeast.

The ship, considered a premier ocean liner during the early Cold War years, holds the record for the fastest trip across the ...

The EPA says if you are sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are outdoors.

A small medical transport plane crashed and caught fire Tuesday on the Navajo Nation in northern Arizona, killing four people ...