Millions of Americans could see temperatures above 90 degrees with heat indices in the triple-digits this weekend. High ...

Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, reports on an alarming early heat wave affecting seven U.S. states, ...

Iran built its most critical nuclear enrichment facility, Fordo, deep inside a mountain to shield it from attacks. See ...

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

St. Louis, Omaha and Des Moines were among the cities that saw heat indexes rise toward triple digits, with similar ...

A dangerous, record-breaking heat wave will spread over the eastern United States and is expected to last several days.

States in the Midwest and Northeast could reach record temperatures in the coming days: Here’s where and when.

A heat wave is moving in, with over 100 million people from the Midwest to the Northeast on alert for life-threatening heat ...

The first big heat wave of 2025 has arrived, coinciding with the official start of summer. More than 40 million people in the ...

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

NYC and the surrounding area could face their first heat wave of the season next week, as the first day of summer arrives.

Ohio has two of the best theme parks in the nation, and each has an on-site water park. So, during a heat wave, which one ...