Extreme heat alerts continued for tens of millions of people in the United States on Tuesday as cities including Chicago broke records at the start of...

TOLEDO, Ohio (AP) — Stifling heat blanketed tens of millions across United States on Tuesday, forcing people and even zoo animals to find ways to...

TOLEDO, Ohio (AP) — A blast of heat and humidity in the Midwest and Northeast days before the official start of summer put a wet blanket on outdoor...

Millions of Americans prepared to sweat through yet another scorching day, with the potential for rolling storms later Sunday to bring relief from the...

LONDON (Reuters) - Deadly heatwaves are scorching cities on four continents as the Northern Hemisphere marks the first day of summer, a sign that...

Dangerous heatwaves are scorching cities worldwide, with record-breaking temperatures and deadly effects, intensified by climate change.

Millions of Americans prepared to sweat through yet another scorching day , with the potential for rolling storms later Sunday to bring relief from...

Central and southern Ontario and much of western Quebec are forecast to experience another day of sweltering weather.

Central and southern Ontario and much of western Quebec are forecast to experience another day of sweltering weather.

Central and southern Ontario and much of western Quebec are forecast to experience another day of sweltering weather.