Imagine wearing a shirt that turns from deep blue to bright red when you’re working out, or a dress that shifts from black to silver as you move from air conditioning into summer heat. The fabric that ...

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 ...

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 ...

When temperatures in Spokane reach 95 degrees, it’s not just the scorching conditions and brutal sun that make Dr. Rob Lichfield start to sweat. He knows his job as the division lead physician at ...

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 ...

Summers in the Philadelphia region are great for enjoying the outdoors. But when the heat ramps up, it’s important to take precautions. Here are nine simple ways to stay cool and comfortable while ...

Summers are undoubtedly getting hotter. Extreme heat events are predicted to become longer, more intense and more frequent in the coming years—and rising temperatures are already taking a toll on the ...

While Texas bakes under sweltering conditions, it's far from alone. Millions are under threat of extreme heat this week, as experts warn that temperatures will reach triple digits almost daily for the ...

With temperatures expected to soar above the 90s across much of the eastern US this week, millions are preparing to beat the heat. Experts are urging those who take certain medications — including ...

The ability to sense heat protects the body from burns and injury. But how the body actually feels temperature has remained ...