Sea temperatures in the Everglades reached 98 degrees as marine heat waves stretch across hundreds of miles, fueling humidity ...

Several southern states should brace for extreme temperatures of up to 111 degrees Fahrenheit as experts warn of a heat dome ...

Experts say the lawsuit in the death of a woman in Seattle is the first wrongful-death case targeting fossil fuel companies over their role in global warming.

A sprawling heat dome — or zone of intense high pressure — is forecast to become reestablished over the southern United States this weekend, affecting many of the same regions that have ...

Arizona is baking as a heat dome settles over the western United States. Three Arizona counties — Maricopa, Pima and Coconino — were placed under excessive heat warnings until 8 p.m. Friday.

Floridians have been battling near-record breaking temperatures for the last several days. The sun is harsh, and the heat is ...

It could be another dangerously smoky summer for some in the United States as Canada prepares for a busy wildfire season with ...