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

Here's what we know about the heat wave expected to scorch North Carolina in the next several days, plus state historic high ...

Experts agree on the best settings for your thermostat this summer, plus the most efficient temperature settings for an empty ...

Humans are on track to release so much greenhouse gas in less than three years that a key threshold for limiting global ...

On June 20, 2020, the town of Verkhoyansk, Russia, reached a temperature of 100.4 degrees Fahrenheit, the highest temperature ...