That trough has allowed the marine level to expand after its brief stints of compression and brings down temperatures, Gass ...

From the Midwest to the East Coast, record-breaking heat is forcing cities to cancel events, open cooling centers, and warn ...

That trough has allowed the marine level to expand after its brief stints of compression and brings down temperatures, Gass ...

People across the WAVE Country rushed to the Kentucky Kingdom waterpark on Wednesday as a way to cool down during the heat wave.

Extreme heat — and what to do about it — was also on the minds of researchers, community advocates and local leaders at a ...

Surface ocean temperatures have been unusually cool over the past week, with readings just outside the Bay dipping below 50 ...

A long-lasting extreme heat wave reached its dangerous crescendo Tuesday, bringing the hottest day in a decade to some major ...

Dangerously hot temperatures gripped New York City and the Tri-State area again on Tuesday making it feel like a furnace outside and shattering records in the process.

It is the second year in a row that a heat wave has hit the New York City region earlier than usual, as global warming is ...

But as a heat wave cooks the Atlantic Coast, relatively mild summer weather continues along the Pacific Coast and throughout ...

Meteorologist Ava Marie says it will be an Alert Day amid an Extreme Heat Warning with temperatures reaching 100 degrees — ...

NBC News chief consumer investigative correspondent Vicky Nguyen shared what the Department of Energy recommends you should set your air-conditioning at to run efficiently.