However, this doesn't mean it is completely dark for 24 hours a day for areas experiencing polar night. This is due to a time of day called "civil twilight," according to the Weather Channel.

Snow is in the forecast Wednesday and Thursday despite warm temperatures during the day. And while the weather will remain relatively warm for the next week, a polar vortex collapse expected over ...

and it’s tradition that each overwintering station sends one another a Midwinter’s Day greeting card, just like Christmas cards! During the polar night, the amount of activity in the penguin ...