Mapping out geology across the U.S. is surprisingly difficult, but the USGS has managed just that, and its map is more ...

The U.S. conducts several intercontinental ballistic missile test launches each year to maintain its nuclear deterrent.

States across the U.S. are feeling the impact of the Canadian wildfires as air quality takes a hit from the smoke, according to a government website that tracks air quality in the United States. As of ...

Since the weekend, several major fires have been raging across Canada’s central and western provinces. The smoke from those fires is now drifting south across the U.S. border and is significantly ...