Winter weather is back in the East, but the extended forecast has some good news for milder weather later in March.

Around the same time as the heat starts blasting Phoenix, the polar vortex — a system that usually keeps frigid air penned up ...

Extreme weather of varying kinds is hitting all over the U.S. this weekend.

Dassault Aviation has started building parts for its Vortex spaceplane demonstrator with the aim of building momentum for a project it wants to see flying as early as 2028. Some of the components ...

The United States is getting slammed by a stretch of weather extremes, from flooding rain to record heat and late-season snow ...

The United States is facing an array of extreme weather events, including record heat in the Southwest, blizzards in the ...

The United States is experiencing a variety of extreme weather conditions, including record heat in the Southwest, heavy ...