It’s often said that it’s not the heat that gets you; it’s the humidity. We had our first serving of the uncomfortable and ...

The number on the thermometer only tells half the story. Here’s what to know about heat index—and why some scientists are rethinking how it is calculated.

Extreme levels of heat and humidity are forecast to spread across the country over the next two weeks, blanketing the Southwest, Midwest, and East Coast with high temperatures beginning this June 19 ...

Temperatures are skyrocketing for the third straight day across the Eastern US, but there’s at least three different ways to ...

A daily mismatch between temperature and humidity, observed in certain mountain and waterside regions, helps regulate atmospheric dryness. According to a new study published in Science Advances, this ...

It may seem that July has delivered an interminable run of humid days, with dew points holding at near tropical levels. It is true that this month has been a scorcher. Triple-digit heat indices have ...