During a recent heat wave, PJM Interconnection, the Midwest's electric grid operator, found itself operating at 163,000 megawatts, flirting with the grid's all-time peak usage record of 165,000 ...

Every summer, tragic headlines emerge: dogs found dead in sweltering parked cars, their bodies lifeless from heatstroke. And ...

The U.S. is having its worst year for measles spread since 1991, with a total of 1,288 cases nationally and another six ...