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

The Mariners saw their playoff probability make a significant jump at the trade deadline, second in MLB behind only the San Diego Padres.

Clowns and street performers gather to attend the Karandash-Fest in the town of Staritsa in the region of Tver, about 200 ...

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