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

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

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 ...

A man's hand-drawn diagram of a layered universe, depicting Earth at the base and higher realms connected by a glowing spiral ...

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