Add Yahoo as a preferred source to see more of our stories on Google. A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a ...

For the past three decades, glaciologist Helen Amanda Fricker has been investigating polar regions — the fastest changing areas on Earth. By studying the Arctic and Antarctic, she and other scientists ...

STATEN ISLAND, N.Y. — If you’ve been keeping a tab on winter forecasts, you’ve likely heard the term “polar vortex” and the potential impact it may have on the upcoming season. But exactly what is the ...

With the bitter cold of winter descending upon the U.S., one may question what is responsible for this upcoming period of below-average temperatures. In short, the answer is the polar vortex. But what ...

A researcher expects the polar vortex to strengthen over the next two weeks. This has a big impact on our day-to-day weather here in the Great Lakes region and even the Northeast. Judah Cohen, ...