The polar vortex in Antarctica is on the brink of splitting into two, a rare event that hasn't occurred in over two decades, due to a sudden increase in stratospheric temperatures. Typically ...

The polar vortex is generally an area of low pressure above the Earth’s poles that contains the coldest air. The vortex is ...

From the Netherlands to Estonia to Texas, a deadly polar vortex caused record-breaking weather across the northern hemisphere. While many struggled to survive the cold, others took advantage of ...