Friday is the summer solstice and much of the U.S. is going to be baking in serious heat starting this weekend with a heat dome expected to keep temperatures soaring. Stephanie Sy reports on what you ...

A potentially record-breaking heat wave is pushing to the East, impacting millions of Americans in several states and cities.

The National Weather Service called the forecast for above-average temperatures "the first significant heat wave this season.

In the U.S., hundreds of people working or playing outside – even those who seem healthy – succumb to heat-related illnesses ...

The first big heat wave of 2025 has arrived, coinciding with the official start of summer. More than 40 million people in the ...

(Here's what extreme heat does to the body.) Shade protects us from a heat wave double whammy: short wave radiation coming directly from sunlight, and long wave radiation coming from surfaces like ...

Many places around the country will experience their first significant heat of the year in the next few days. Here’s why it’s ...

Uncover the fascinating history of how the Pentagon rose from paper to power in record time during World War II. Born out of ...

Temperatures in Europe have measured about 2.5 degrees Celsius -- or 36.5 degrees Fahrenheit -- more than normal, while the heat wave in North America was about 2 degrees Celsius -- or 35.6 ...

The National Weather Service issued a heat advisory for several counties, including Snohomish County, from 10 a.m. Sunday to 10 p.m. Monday. Depending on your location, daytime highs could reach ...

Extreme heat weather warnings aren't enough. Local public health initiatives can go a long way to help keep people safe.