Traveling over our heads at hypersonic speeds beyond Mach 7, lies the future of spy plane technology. It can be anywhere in the world in one hour, enter any country unnoticed, and be out before their ...

When there are disturbances in which the Jet Stream weakens, it can become wobbly. This allows the cold air to plunge southwards. A disrupted polar vortex does not happen every year. Very much so what ...

Still, several Colorado school districts will start late on Tuesday as the state waits out the last of subzero 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 vortex invades the nation and sends temperatures tumbling to levels not seen ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

Director Seth Gordon discusses his new @Netflix movie with Jamie Foxx & Cameron Diaz, 'Back in Action,' and the many setbacks ...

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...

A disruption in the polar vortex is about to send an Arctic air mass from Siberia as far south as Florida. Yes, Siberia—and ...

Temperatures are expected to drop throughout southern Ontario, including Waterloo region, Guelph and Wellington County, throughout the day Saturday as a polar vortex moves down into the area.

Montreal shelters, already filled to capacity, are preparing for the upcoming cold snap expected to hit southern Quebec in the coming days. In Montreal, highs are expected to reach –15 C, with ...

The weather spell is being referred to as a polar vortex, but Mahdavi said that's a bit of a misnomer for what's happening: the term "polar vortex" describes a massive cyclone of air that is ...