The Mega Millions jackpot is now well past the half a billion-dollar mark. Nobody won Tuesday's lottery drawing for a grand prize of $493-million, so the Mega Millions jackpot jumps to an estimated $525-million ahead of tonight's drawing. That's a cash option of over $247-million. The Powerball jackpot is also getting up there. tomorrow's drawing will be for an estimated $376-million. If you win, remember that 24-percent goes to the IRS.