Add Yahoo as a preferred source to see more of our stories on Google. The lower half of the United States is sweltering under a heat dome, with nearly 85 million Americans from South Dakota to Texas ...

A heat dome brought warmer temperatures as the holiday season came to a close, according to the U.S. Drought Monitor.

Philadelphia broke a daily record high today, reaching 99 degrees as the region's heat wave officially began. The high temperature so far at Philadelphia International Airport reached 99, breaking a ...

High-temperature heat pump (HTHP) systems represent an innovative advancement in energy technology, capable of elevating low-grade thermal energy to temperatures sufficient for industrial and process ...

While near-70-degree temperatures have residents questioning if winter is over, the unseasonable heat signals a climate ...

For this summer, the National Oceanic and Atmospheric Administration (NOAA) has predicted hotter-than-average temperatures across the U.S. Summer heat is expected to reach its peak in July, with a ...