Sure, Roger Federer may be one of the world's best tennis players. But is he the utmost authority on what color a tennis ball is? In an answer to one incredible fan's question that should have ended ...

The internet’s debate about the true color of tennis balls just went pro. Nothing splits the internet like a good “The Dress”-like argument and it turns out the tennis ball is a polarizing piece of ...

The tone of those words may seem strangely contradictory. On the one hand, the New York newspaper was declaring that history had been made: For the first time since tennis arrived in the United States ...