A sweltering heat wave that's baked parts of Southern California with triple-digit temperatures and kept the mercury above 90 ...

Scientists can estimate how much more likely or severe some past natural disasters were due to human-caused climate change. Here's how.

A sweltering heat wave that's baked parts of Southern California with triple-digit temperatures and kept the mercury above 90 ...

A potentially record-setting heat wave is expected to drive temperatures across the western U.S. into the triple digits as it builds this week, triggering warnings as authorities set up cooling ...

Thousands of districts across the country are facing an urgent need for cooling systems as extreme heat hits school ...

LOS ANGELES - While the official start of fall is just weeks away, September is off to a scorching start in Southern California with a brutal heat wave set to last over the next several days.

The brutal heat wave that’s baked Ojai the past several days is coming to a quick and dramatic ending, forecasters said.

Thunderstorms and a heat wave could upend Labor Day weekend plans ... is expected to provide relief from the intense heat that baked portions of the Mid-Atlantic this week, including in Washington ...

A heat wave was expected to bring record-high temperatures to the midwestern United States this week before spreading to the East Coast, forecasters said. At the same time, a bout of severe ...

Temperatures during the current heat wave in Montreal could be record-breaking compared to historical highs over the same days, according to Environment and Climate Change Canada. We apologize ...