The shortage — affecting about a third of U.S. public pools — has led some to reduce hours or close altogether. The pandemic and earlier rhetoric about work visas for foreigners led to the problem.

The National Weather Service predicts areas on the East Coast could reach 100 degrees Thursday, with triple-digit temperatures in the Pacific Northwest, too. Relief isn't expected until the weekend.

Intense heat is getting worse with climate change as small increases in temperature can magnify extremes, according to a study by Climate Central, an...

As each school year passes, it feels as if the summer vacation months are shrinking. But for many parents, summer break is no vacation. Instead, they...