A widespread heat wave is pushing dangerously high temperatures across large parts of the United States this week.

A surge of summer heat is building across much of the United States. See the extreme heat map as World Cup kicks off.

A heat dome is trapping over 90 million Americans in extreme temperatures this week with the National Weather Service issuing heat alerts from Nebraska to Florida. Dangerous heat threatens to ...

The new Thermal Trace app allows users to explore thermal stress and related data from 1940 until five days before present, for anywhere in the world. The app, free for users, was developed by the ...

Tree shade is one of the fastest ways to make heat more bearable. It cuts direct sunlight, protects people walking or working outdoors, and remains essential for heat action plans. A new study ...

An early-season heat dome is building over the Gulf of Mexico and will bring a week of unusual heat and humidity to southern states, from Texas to Florida, and southward into Mexico and the ...