Climate change has been exacerbating heat waves, and the problem isn’t going away anytime soon. An increasingly hot planet — due largely to burning fossil fuels such as coal, oil and natural gas — ...

Another heat wave—this one steeped in humid air, including from a Midwestern phenomenon called corn sweat—is blanketing the eastern half of the U.S. this week in July. Tens of millions of people are ...

Millions of Americans were asked to reduce electricity to prevent outages. Millions of Americans were under historic heat wave conditions this week -- driving up widespread use of air conditioning and ...

A heatwave is hitting Ohio and much of the U.S., with temperatures in the 90s and heat indexes over 100 degrees. The extreme heat increases the risk of heat-related illnesses, car breakdowns, and ...