You don't have to live in the U.S. Midwest to have heard about the polar vortex, but if you do you've no doubt felt its effects. Frigid temperatures are swallowing up many states thanks to a mass of ...

As the polar vortex begins to stir, subtle clues point to the coming seasonal shift. So, when will freezing temperatures ...

Newly-released images of the lunar south-polar region obtained by ESA’s SMART-1 are proving to be wonderful tools to zero-in on suitable study sites for potential future lunar exploration missions.

Millions of people across the U.S. will experience subzero or below-average temperatures in the coming days as a polar vortex coming from Siberia will usher in a new cold front. The Rockies, northern ...

A lobe of the Polar Vortex is going to swing through Ontario just north of Michigan. The upper-air forecast gives us an easy look at this strong winter player. The general meaning of the Polar Vortex ...

These color maps of Jupiter were constructed from images taken by the narrow-angle camera onboard NASA’s Cassini spacecraft on Dec. 11 and 12, 2000, as the spacecraft neared Jupiter during its flyby ...

When the tundra freezes, the North Slope gets busy. It's the travel season, the time of year when oil producers can put in ice roads and move heavy equipment over the frozen ground. But before any of ...