A polar vortex that has hit much of the U.S. with ice and snow has dealt a glancing blow to Florida, dropping coastal temperatures and causing the Sunshine State’s manatee popula ...

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...