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

More than 200 million Americans are under extreme heat alerts” not a prediction for the future, that’s the reality enveloping ...

Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.

Chris was suffering from classic heat stroke, which tends to affect elderly patients more than other ages. Classic heat ...

The Centers for Disease Control and Prevention said some medications interfere with the body's ability to regulate ...

The World Meteorological Organization confirmed in March 2025 that 2024 was the hottest year on record and the first year in which Earth’s surface was more than 1.5 degrees Celsius above its average ...

Heat waves like this one can put people at risk of heat exhaustion or the even more serious condition of heat stroke.

Sometimes the temperature outside feels warmer than it is, and there's a reason. Here's a breakdown of the heat index.

The heat wave has arrived. Temperatures and humidity are climbing as the tri-state heads into an expected record-shattering ...