The last time Texas experienced a “polar vortex effect” was last winter, when a cold front brought frigid temperatures and wind chills down to -15 degrees. David Montesino dmontesino@star ...

An infinite array of vertically aligned dipole scatterers forms a non-local metasurface, enabling efficient and highly directional transmission of vortex beams as illustrated in (e).

As winter approaches, the polar vortex is making headlines once again, stirring discussions about its impact on temperatures across North America. This phenomenon, which dominated conversations last ...

Summer may end on a cooler note for parts of the U.S., with meteorologists suggesting that a weakened polar vortex could usher in below-average temperatures as September begins.

Russian researchers have completed another phase of analysis of the domestically-powered Yakovlev SJ-100, examining its aerodynamic characteristics during take-off and landing.

The rain that pummeled the northeast on New Year's Eve is just a beginning of things to come as New York faces up to 3 feet of lake-effect snow and a dreaded polar vortex takes aim at the U.S. East.

A bizarre "portal from hell" has opened up in a lake with a weird spinning vortex effect. The gigantic 75ft-wide hole took place after water levels in the Lake Berryessa reservoir in eastern Napa ...