After a century of study, physicists have theories — but they’re still not 100% sure.

Nations vie for men’s and women’s gold in a sport that has developed a cult following since its Olympics debut. It traces back to the 16th Century.

Find out about this unique winter sport with these fun facts about curling. February 23rd is “Curling Is Cool Day.” Okay, it’s cool! But what is it? Here are some basic facts about curling. Curling is ...