Did the groundhog see his shadow today, Feb. 2, 2010? That's a question a lot of people have on their minds this morning. The answer: he did, and that means six more weeks of winter, according to tradition. Punxsutawney Phil made the prediction -- a real groundhog who has been a star lately on Facebook and Twitter. Read more about today's revelation from the Associated Press. And here's more about the history of Groundhog Day, including five facts you probably didn't know.