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

A 28-year-old teacher who authorities say admitted to fatally stabbing two hikers he didn’t know in an Arkansas state park bounced between four school districts in three ...

When wildfires burn, the smoke can travel long distances and degrade air quality far away, which presents risks for those breathing it. Fires burning in one state can make air worse several states ...