Portugal is expected to see highs of up to 109 degrees Fahrenheit. Parts of Spain, France, Italy and Greece are also bracing ...

A new data dashboard compares neighborhoods in California and shows why heatwaves can feel more intense in some places.

As triple-digit temperatures hit the East Coast, individuals with a mental illness taking psychiatric medications could be at ...

Extreme heat is making air pollution worse, scientists say. And President Trump’s regulatory rollbacks could drive air ...

Nearly 160 million people are under heat alerts from eastern Texas to Maine, as temperatures are forecast to be as much as 20 ...

Fire crews have been called to conduct multiple mountain rescues amid extreme heat in the Valley on Sunday, including one ...

"The road exploded and rose over 18 inches, sending a car airborne," said Albert Blackwell, who captured the moment on video.

The temperature in New York City has reached 100 degrees as the eastern U.S. sweltered under an extreme heat wave.

In Missouri, a car launched into the air after driving over a large bump in a buckled road. It's just one of many incidents ...

There will be a slight chance of showers and thunderstorms late Tuesday and Wednesday, but most of the activity is expected to remain in the higher elevations. A slightly better chance (about 20%) of ...