The decision is the most significant since Kirsty Coventry was elected last year to serve as president of the I.O.C.

Prediction market platforms like Polymarket and Kalshi go way beyond sports and politics. We take a closer look.

Fewer cities are bidding for Olympics, and those that are can’t always accommodate every event. The Milan-Cortina Games were the most sprawling Olympics in history.

Soccer’s global governing body is grappling with a World Cup first: a tournament host going to war with a participating nation.