The National Weather Service called the warm and above-average temperatures coming in behind the system "the first ...

A haunting map from the Cold War era forecasted that vast areas of the U.S. would be covered in radioactive fallout in the ...

According to the United States Environmental Protection Agency, urban heat islands form when some areas experience hotter ...

Scientists say 4 billion people, about half the world’s population ... hardest hit by additional extreme heat days. Puerto Rico, a territory of the United States, endured 161 days of extreme ...

A major nuclear attack would kill up to 250 million Americans, roughly 75% of the country’s population. While Iran does not ...