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 ...

An unusual heat dome over the North Atlantic drove temperatures up to nearly 80 degrees, or 26.6 degrees Celsius, in eastern ...

An unusually intense heat dome lodged over the northeast Pacific Ocean and western United States, and abnormally warm water temperatures in the region are key drivers of the historic temperatures.

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.

The heat dome that’s currently putting a hot lid ... “Heat is actually the deadliest weather-related hazard in the United States,” Lamers says, putting it above attention-grabbing events ...

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.

It could be another dangerously smoky summer for some in the United States as Canada prepares for a busy wildfire season with forecasts also signaling extreme heat is in store for both countries in ...