Urban drainage systems have increasingly incorporated vortex flow mechanisms to efficiently dissipate hydraulic energy while minimising structural damage and regulating discharge. Vortex drop shafts ...

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation ...

Jason Samenow, The Washington Post's weather editor and chief meteorologist of the Capital Weather Gang, tells Robert Siegel about the weather phenomenon known as the "polar vortex." It means frigid ...

The frigid stream of air that plunged down into the Central U.S. this week is breaking cold records from South Dakota to Texas, with temperatures in the single digits setting records in many locations ...