El Niño's record-breaking force could enter a chaotic dance with another wintertime powerhouse: The polar vortex.

Ask most people what the polar vortex is and you'll get a vague answer about "that cold thing from the news." Ask a meteorologist the same question this winter, and you'll get a much longer, more ...

The stratosphere is a powerful place. Perhaps the most influential guitar ever devised is even named after this lofty layer in the atmosphere, which exists between some 10 to 30 miles up in the sky.

Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex is sending arctic blasts and chilly temperatures to most of the United States, and states from Texas to Oklahoma ...

The world premiere of RABBITS at the Vortex delivers an exceptional cast, incredible directing and a whopping great story. Every aspect of this show is stellar, showing the creativity and dedication ...

“Polar vortex” sounds cool. It’s like “bomb cyclone” or “firenado.” It seems like the sort of phenomenon that would be responsible for the record-breaking blast of cold, snow and wintry conditions ...

The book is on the minds and lips of presidents. Recently Gustavo Petro, Colombia’s leader, praised “La Vorágine” (“The Vortex”), a novella by José Eustasio Rivera, for having words that “still shine ...