The heat index is a measure of how hot it really feels on your body when relative humidity is factored in with the actual air ...

If you are living in one of many areas of the U.S. currently experiencing a heat wave, your outdoor thermometer may say it's ...

Here’s what I’ve learned after years of trial and error: calories aren’t just calories. I used to think I could […] The post ...

The immediate harms of extreme heat are well documented, but a growing body of research suggests that heatstroke may have ...

Amid cresting heat waves around the globe, Dr. Katelyn Moretti of the Warren Alpert Medical School relays the risks of high ...

From moisture-wicking athletic wear to resort-chic luxurious linen, we’re breaking down the science of staying cool along with some of our favorite summer shopping picks.