As temperatures and humidity soar outside, what's happening inside the human body can become a life-or-death battle decided by just a few degrees. The critical danger point outdoors for illness and ...

WASHINGTON — As temperatures and humidity soar outside, what's happening inside the human body can become a life-or-death battle decided by just a few degrees. The critical danger point outdoors for ...

Exercise can feel more difficult in the heat, but when does it become unsafe? Two experts explain how you can check your risk ...

The first heat wave of the summer is here — and it’s not even technically summer yet. These hotter-than-average temperatures will continue to envelop the Midwest and Northeast this week, bringing ...

Kevin Miller can get a person to the brink of heat stroke in 30 minutes. In a chamber with a temperature of around 100 degrees, he starts them out on the treadmill, switching off between three minutes ...

Wondering how this summer’s blistering heat or last winter’s bone-chilling cold snap compared with previous years? Or want to know how much heat stress climate change is bringing to your area — or in ...

Southeast Australia is enduring a record-breaking heat wave, with temperatures rising above 40ºC in many areas.