With more than 1.4 billion residents, India is the most populated country in the world. It’s also one of the hottest, and a few factors leave the vast majority of its people deeply vulnerable to health and welfare risks posed by heat waves like the event in April.

KANSAS CITY, Mo. (KCTV) - New data has come in, and the core of our next heat wave now looks to extend into next week. While we had First Warns for Friday and the weekend, we have added Monday now, as the heat and humidity will last longer than first thought.

Many areas in the southwestern United States have endured day after day of heat more typical of early summer than early spring. The region will face yet another week of intense heat, but there are signs of a major change before the end of March. "The heat ...

Researchers from Tokyo Metropolitan University have categorized a unique, previously unclassified type of heat wave in Japan, so-called "moist heat waves" which are accompanied by an approaching tropical cyclone.

High temperatures claim more older victims each year than floods, tornadoes and hurricanes combined. As heat waves strike in ever more surprising places, what can you do to protect yourself?