The National Weather Service has issued an extreme heat advisory for Yosemite National Park and much of Central California this weekend, warning of “dangerously hot conditions” with temperatures ...

With extreme temperatures in the forecast for California, first responders want people to be aware of warning signs that the ...

The unofficial start of summer is here, and with it comes soaring temperatures and the risk of heat-related illnesses.

Oil industry opposition to a planned OSHA rule to limit heat deaths comes as oil and gas workers face increasingly dangerous ...

According to the Golder Ranch Fire District on Twitter, the hiker was two miles into the park and was treated for heat exhaustion, assisted out of the park on a stokes basket, and taken to a hospital.

The driver of a pickup that crashed into a tour van near Yellowstone National Park this month, killing seven people, had a ...

With temperatures expected to soar this weekend, Zion National Park officials are urging hikers to be prepared. The warning ...

For the first 100 years, managers extinguished fires to preserve park resources. Today, the National Park Service aims to restore fire's role as a natural process. (Provided by the U.S. National ...

How We Lose Heat to the Environment Radiation - loss of heat to the environment ... Dead muscles won't contract only live muscles. Stage Core Temperature Signs & Symptoms Mild Hypothermia 99º - 97ºF ...