More than 40 million people in the U.S. were under heat alerts Friday, according to the National Weather Service.

A heat dome will spread across the country this week into the next week, triggering severe thunderstorms and triple-digit ...

A live tracker map shows the regions of the U.S. that will be most impacted by the heat dome set to bring temperatures in ...

The Gordie Howe International Bridge is now visible on Google Maps, with new signage posted along I-75 ahead of its planned ...

Maps show where extreme humidity and 90- or 100-degree temperatures will affect about 255 million people across the United ...