Let's just say they're measured in quintillions. That's a number followed by 18 zeroes.

The odds of filling out a perfect NCAA bracket are about 1 in 9,223,372,036,854,775,808. That’s 9.2 quintillion and 23 percent less than the chance of picking one of the 7.5 quintillion grains of sand ...

Think you have what it takes to build a perfect bracket? Sign up now and put your bracket skills to the test!

CHICAGO (WGN) — Every year, millions of March Madness brackets are filled out ahead of the NCAA Tournament, with all but a handful usually broken by the end of the first round. But still, let’s ...

Enter college men's basketball and women's basketball brackets for a chance to win up to $1M in USA TODAY's Bracket Challenge sweepstakes. Create your own pools and brackets and invite your friends.

Are you having withdrawals from March Madness? Or maybe that bracket in March didn’t go too well for you, and you need a do-over. Whatever the case, NASCAR’s In-Season Challenge Bracket Game is here ...

Swifties, this one’s for you! With just 12 days left until Taylor Swift drops her twelfth studio album, ‘The Life of a Showgirl,’–and with the NFL season underway–what better way to celebrate than ...

. Once the Stanley Cup® Playoffs First Round match-ups have been set, fans can start entering their predictions on April 11 via desktop or the official NHL® app, now improved for a greater mobile ...