How low should you set your thermostat for as record-breaking heat sweeps over the country? Here's what experts and other ...

Heat and humidity will once again smother the eastern half of the country this week, pushing the heat index to dangerous levels for tens of millions of people. In the Midwest, the humidity will be ...

The rash of global heat waves across the Northern Hemisphere comes as average global temperatures continue to climb, driven ...

Dangerous heat and humidity is on tap through the weekend!Highs will be in the upper 90s with 100 possible in ...