The polar vortex, a weather feature that contributed to the Great Texas Freeze, is currently forming in the stratosphere over the North Pole and is expected to continue to strengthen rapidly as we ...

Jan. 1 (UPI) --The first few days of the new year are expected to bring heavy snow and frigid temperatures in the form of a polar vortex to the eastern United States. The rain that pummeled the ...

An optical illusion is a visual phenomenon where our perception of an image differs from objective reality. This image is perceived as a visual impression of a swirling tunnel or vortex effect. These ...

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 [email protected] ...