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.

Early US heat wave next week brings potential record-breaking temperatures from Plains to East Coast.

The rising temperatures have prompted the National Weather Service to issue Heat Advisories in parts of the area on Thursday ...

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 bake ...

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 ...