Northern lights are expected to dance across U.S. skies again on Wednesday night, Nov. 12, after appearing as far south as ...

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 ...

States bordering the Great Lakes are under air quality alerts on Friday. Several dozen wildfires burning in Canada have led local authorities to declare states of emergencies and forced thousands of ...

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