Most of the holidays may be over, but winter is sticking around — and it's bringing freezing weather to Texas next week. A polar vortex, a weather pattern similar to the historic winter storm that ...

While meteorologists say that in most cases, polar vortex intrusions aren't disruptive, they are sometimes associated with cold air outbreaks and winter storms, which can in turn affect travel ...

Atmospheric scientists were surprised earlier this month to notice that the Arctic's polar vortex reversed its trajectory as it began spinning in the opposite direction. What's more: It has yet to ...

Earlier this month, a sudden atmospheric warming event caused the Arctic's polar vortex to reverse its trajectory. The swirling ring of cold air is now spinning in the wrong direction, which has ...

Antarctica’s polar vortex could be about to split in two for the first time in more than 20 years after a series of sudden spikes in stratospheric temperatures. If that happens, it could lead to ...