I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

The colorful northern lights may reveal themselves to a wide swath of Americans Friday night due to an impending solar storm ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

At noon, it appears directly overhead at the Tropic of Capricorn, located at a latitude of 23.5 degrees south. This position correlates to the shortest day of the year in the Northern Hemisphere ...

The most famous is the aurora borealis, which appears in high-latitude regions of the Northern Hemisphere. Located at China's highest latitude, Mohe is one of the best places in the country to ...