A declassified map has revealed the areas of the US that are most likely to be hit by a nuclear bomb in the event of an ...

Humidity will soon surge to extreme levels across 40 states. Find out where there will be excessive heat and humidity — and how humidity patterns are changing.

Polluted air will remain a threat Friday for millions of Americans across the eastern United States as the Canadian wildfires continue to send smoke billowing across the region, tinging the skies ...

Maps, data show how near-term climate change could affect major port cities on America's East Coast. ... The study, by the United States Geological Survey, ...