The Pennsylvania county where an explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than ...

With smoke lingering in the air, we delve into how it affects our health and environment. What are the latest readings? What ...

Wildfires are burning across the Western United States and Canada, affecting large parts of the country as smoke drifts. With ...

The City Council dropped a $202 million effort that would have expanded the city’s cooling centers to also accommodate people ...