This story was published on June 19, 2025, and has been updated. The first significant heat wave of the summer is hitting much of the United States this week. From the Midwest to the East Coast, ...

It's not the heat that gets you — it's the humidity. Millions will feel that firsthand over the coming days as a heat dome is expected to bring extreme heat and humidity for much of the U.S. Those ...

Humid environments present some of the most complex challenges in architectural design. From the tropical monsoon season of Southeast Asia to the equatorial heat of Central Africa, these environments ...

Hot, sticky and unrelenting: That has been the experience for much of the country this summer, including more than a dozen states that had record high humidity in July. Last month was muggier than ...