A brutal heat wave across the eastern United States trapped millions of people in sweltering air this week with record-high ...

A heat wave is currently affecting about 160 million people, according to the National Weather Service. Here's which states ...

Companies are reporting a drop in business, reflecting the economic toll of the heat wave, which is lowering productivity and ...

The start of astronomical summer also brings the first major and dangerous U.S. heatwave of 2025. Here's what you need to ...

Heat wave roasting East Coast this week 02:21. The U.S. has contended with unrelenting temperatures this summer, and a map from NASA paints a dire picture of the scale of those persistent heat waves.

The heat island mapping campaign, now in its eighth year, seeks to map the hottest neighborhoods across the U.S. and some international cities in order to guide remediation efforts.