Doctors discuss when to use electrolyte supplements versus water for proper hydration in hot weather, with recommendations on ...

Potassium is essential for the function of all cells in the body. Many foods, such as avocado, raisins, and yogurt, contain more potassium than bananas.

The heat is no joke and this year, it's impacting a large portion of the U.S. Here's what to know about heat stroke, including how to treat it.

Summertime heat and humidity are set to return quickly to the Northeast, following a brief cooldown earlier in the week.

The intensifying and expansive heat wave affecting around 150 million people in the United States from Wisconsin to Washington, DC, bears the hallmarks of human-caused global warming.

Extreme heat is making air pollution worse, scientists say. And President Trump’s regulatory rollbacks could drive air pollution even higher.

Essential advice to get you through a heat wave. By Simar Bajaj A dangerous heat wave is blanketing much of the central and eastern United States this week, sending temperatures into the triple ...

The National Weather Service issued an extreme heat warning nearly all of Delaware lasting through June 25. See how hot Delaware will get this week.

Temperatures have gone from seasonal to insanely hot, and the heat is expected to last for the next few days in Massachusetts. Meteorologist Emily McMinn of the National Weather Service branch in ...

Heat wave incoming: How high will temps go and when will it end? A dangerous, widespread heat wave will bake the central and eastern U.S., bringing the hottest temperatures of the year and ...

It is going to be punishingly hot in Columbus over the next few days, with highs in the 90s and heat index values over 100.

A record-breaking heat wave continues to scorch the East Coast, with New York City hitting 100 degrees for the first time in over a decade.