Temperatures are skyrocketing for the third straight day across the Eastern US, with officials in cities from Boston to Washington, DC trying to keep residents cool amid outdoor July 4th celebrations.

Extremely dangerous heat, coupled with humidity, could result in heat index readings of 100 to 115 degrees from the Midwest ...

After a string of heat-related fatalities in the canyon, we had to rethink our entire backpacking strategy. Here is the protocol we used to survive a 40-mile trek in triple-digit temps.

Some parts of the nation have more AC than others. Here's what data says amid a dangerous heat wave.

The nation's 250th birthday weekend coincides with a deadly heat wave. Here are some ways to keep cool and potentially save ...

The intensity of the heat and humidity combined this week would have been “virtually impossible” without the effects of fossil fuel pollution, according to a study.

Two UK water companies are putting hosepipe bans in place as temperatures continue to spike after June’s record breaking ...

If the summer heat has you feeling more dragged down than the drag strip in Dalton, it may be time for a cool reprieve. Franklin offers the perfect escape.

Track extreme heat alerts with this interactive map.

The U.S. is looking at an unwelcome birthday gift: a dangerous heat wave arriving ahead of the holiday weekend. Limited time: ...

The Fourth of July is nearly here, and it’s not just any Fourth of July: It’s the country’s 250th birthday. Trump isn’t going ...