Extreme heat warnings and heat advisories were issued across parts of the U.S. Southwest and Pacific Northwest on Friday.

Heat advisories have been issued for large areas of California, as forecasters expect temperatures to climb above 100 across ...

Gov. Gavin Newsom on Thursday announced the launch of a new, first-in-the-nation tool to forecast and rank heat severity in ...

A new study, recently published in Urban Climate, highlights how extreme heat affects neighborhoods across Virginia, ...

Governor Gavin Newsom is investing $32.4 million to help communities combat extreme heat, the Newsom administration announced ...

From spring to fall, as temperatures rise earlier and remain high into the year, the dangers of extreme heat are becoming ...

Scientists say 4 billion people experienced at least one extra month of extreme heat because of human-caused climate change ...