Over 140 million Americans will be under the highest-level extreme heat alerts by Sunday during a wave of above-average ...

A widespread heat wave is poised to engulf the central and eastern United States, potentially impacting 170 million people.

Much of the East is getting a brief respite from the July-like heat that baked the region earlier this week, but thermometers ...

In early and mid-2025, a claim that "only 1.6% of US citizens owned slaves in 1860" resurfaced and circulated widely online, ...

The first heat wave of summer could bring punishing humidity and triple-digit temperatures to many states east of the Rocky ...

The highest temperatures this year will combine with increasing humidity and intense summer sunshine to create dangerous, ...

Heat remains the deadliest form of extreme weather in the U.S., contributing to more than 800 deaths annually on average ...

More than 37 million Americans are under heat advisories across the U.S., according to the National Weather Service. Here's ...

Millions and millions of Americans are being warned of "dangerous" heat in more than a dozen states as the summer 2025 season ...

Many places around the country will experience their first significant heat of the year in the next few days. Here’s why it’s ...

Maps show where extreme humidity and 90- or 100-degree temperatures will affect about 255 million people across the United ...