Heat domes are caused by high-pressure systems that trap air near the surface of the Earth, sealing in hot, humid air and ...

The deadly, record-breaking heat wave that hit the Pacific Northwest in June 2021 continues to be the subject of intense interest among scientists, policymakers and the public.

The urban heat island effect can make the country's most populated cities 20 degrees Fahrenheit warmer than nearby areas. Climate change will only make it more suffocating.

As millions of Americans contend with extreme heat across much of the country, experts tell ABC News that continued exposure to high temperatures can have significant effects on people's mental ...

Even without reaching heat wave levels, sustained high temperatures may contribute to a litany of health issues.

The heat-island effect is starting to endanger the health, productivity, and lives of billions of people worldwide, especially now that it’s coming on top of killer heat waves spawned by climate ...

When the heat cranks up, the first things we usually worry about are sunburn and dehydration. But scorching temperatures ...

Unable to view our graphics? Click here to see them. Large heat islands in the US. A July 2023 Climate Central study of the urban heat island index found an estimated 41 million in Census tracts ...

Heat’s effect on sleep could play a role, too. In the Boston study, the hotter it got, the more students’ sleep was disrupted — and the worse they performed on the tests.

How does extreme heat affect mental health? Experts say it can have "significant impacts" on your mental well-being. By Kelly Livingston. July 14, 2023, 9:23 AM. 1:18.