Blackouts have been a partner to extreme heat for decades. The most well-known are massive city-wide blackouts in ...

New research uncovers a hidden magma layer deep beneath Yellowstone’s surface that may be preventing the supervolcano from ...

There is a minor to moderate heat risk each day, with the potential for major heat risk across some portions of Florida.

Residents across the Middle and Upper Mississippi and Ohio Valleys are bracing for potentially severe thunderstorms today and ...

HVAC contractors are warning of shortages with temperatures already breaking records and summer utility bills on track to hit 12-year highs.

Electricity supply across the central U.S. and New England could be challenged this summer if extended extreme heat waves ...

A heat dome is bringing extreme temperatures and humidity to southern states and warming the Gulf of Mexico. Here are six ...

North Texas is under threat of hail, strong winds and even a tornado this weekend as a cold front blows through. It should ...

Various energy companies recommend 78 degrees Fahrenheit as the ideal, most cost effective temperature to set the AC to during the summer months.

Triple-digit heat is likely to return on Thursday, but temperatures are expected to be slightly lower by Friday and the weekend.

The extreme heat endangers vulnerable groups like children, older adults and outdoor workers, who may face increased risks due to a state bill.

Texas faces record-breaking heat and dry weather this weekend, with little rain expected and highs reaching the 100s in some ...