Mega Millions: Jackpot now $1 billion; where to get a ticket; how much does a ticket cost?

Let's face it - the chances of winning tonight's Mega Millions drawing are really slim. As in 1 in 302,575,350 million slim, meaning it's less likely to bring home the big bucks than it is to get killed by a meteor strike, something scientists put at odds of 1 in 1.6 million.