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

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

S moke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...

The National Hurricane Center on Saturday began watching a disturbance off the southeastern Atlantic coast near the Carolinas that has a chance to develop into the season’s ...