An Adler Planetarium expert explains how the winter solstice occurs, its historical significance across cultures, and what longer winter nights mean for stargazing in the Northern and Southern ...

Although temperatures have been dropping for weeks, winter doesn’t officially begin until Saturday. Here’s what to know about the winter solstice, the astronomical start to the snowy season and the ...

During winter in the United States, the Earth's Northern Hemisphere is tilted away from the sun. Less sunlight shines ...

With snow already flying across much of the country, it may be hard to believe that winter does not officially arrive until the December 21 solstice. The winter solstice — the precise moment when the ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DALLAS (AP) — It’s time for the start of ...