More than 160 million Americans are under the highest level of extreme heat alerts during a wave of above-average ...

"Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors," an ...

Most of Canada will also have a chance to see the lights. While the likelihood of seeing the northern lights will ...

A heat wave is currently affecting about 160 million people, according to the National Weather Service. Here's which states ...

Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.