Wide-ranging research suggests that as temperatures increase, some creatures pick fights while others struggle to learn. The ...

Scientists in Japan have developed a new organic device that can harvest energy from heat. Unlike other thermoelectric generators, this one works at room temperature without a heat gradient. Usually, ...

Energy experts offer tips to keep your home cool, and save on electric bills amid high heat.

A 30-year-old farm worker in North Carolina died last September on a day that was fairly typical for the state. Temperatures were in the mid-90s and the heat index, which includes humidity, was 96 ...

That triple-digit forecast prompting our First Alert? Here’s an overlooked factor that makes it even more brutal than you may think. Our weather app shows a forecast high of 100° with a heat index of ...

The planet recorded its hottest day ever Sunday, according to the European Union’s Copernicus Climate Change Service, as an unrelenting string of heat waves continue to topple daily record high ...

Unseasonably hot weather in Europe has already claimed at least 18 lives. And history shows more are likely on the way ...

In Billings, Montana and other cities across the central and northern Plains, temperatures are forecast to soar above 100 degrees Fahrenheit this week. In England, the source of the Thames River has ...

Heat and humidity in a stuffy garage can permanently ruin these items. Read on to learn what they are and how to protect them ...