Heat stress happens when your body starts having problems regulating internal temperature due to high external temperatures. It may lead to heat-related illnesses like heat exhaustion and heatstroke.

Extreme heat may be silently accelerating biological aging in older adults, adding months to cells before disease appears.

INDIANAPOLIS — Hot weather and high humidity continue across Indiana and much of the Midwest, Great Lakes and Ohio River Valley. The hottest and most dangerous conditions are likely Monday and Tuesday ...

The new Thermal Trace app allows users to explore thermal stress and related data from 1940 until five days before present, for anywhere in the world. The app, free for users, was developed by the ...

With an early summer heat wave baking Michigan and the Midwest, residents may notice two temperatures provided with daily forecasts: actual and apparent — or "feels like" — temperatures based on the ...

Chhaya Gaikwad didn’t know that ignoring her father-in-law’s advice of not working in scorching heat could cost her over $1,000. Gaikwad has been a farmer for over 30 years and has a wealth of ...

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 temperature. Since heat index values were devised for shady, light wind ...

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 ...

This article was originally published by The Conversation. Beach trips, cookouts and other outdoor activities are in full swing as summer arrives and the first widespread heat wave of 2025 hits the ...