As the climate continues to change, America’s national parks are becoming hotter and more hazardous for visitors, according ...

In July 1999, during Cincinnati’s worst heat wave in recent history, paramedics rushed a man to the hospital after a neighbor found him unresponsive in an attic apartment that had no air ...

even though the desolate region known as one of the Earth's hottest places is being punished by a dangerous heat wave blamed for a motorcyclist's death over the weekend.

Today on CNN 10, we get an update on a spring heat wave that's breaking records in the Western US. We'll also learn what it was like living in an Arctic military base built below layers of ice ...

As the planet warms, heat waves are now more common ... This map shows the chance that areas of the continental United States will be above, below or near normal average temperatures.

Here's what Phoenix residents can expect in the coming days — and how this early heat wave might shape the season ahead. When ...

A Georgia heat wave is passing through, leaving much of the state in a much higher-than-normal state this week.

As the sea breeze weakens and high pressure builds over the area, a heat wave is going to bake Southern California this week. Temperatures are expected to hit summer levels between Wednesday and ...

LOUISVILLE, Ky. (WAVE) - For most of us, the overnight hours will be quiet, warm, and breezy with lows in the 60s. For those north of Louisville in Southern Indiana, we’ll watch for storm potential ...