As you watch or read about the World Cup, there's a good chance that you'll see someone talking about VAR. But what is it?

When a VAR check is underway, the referee on the field is in constant communication with the video official. In some cases, the referee will jog to a sideline monitor to conduct a ...

Darren Cann is the most experienced match official in Premier League history Laurence Griffiths/Getty Images In the days that followed his final Premier League game as an assistant referee in April ...

FIFA will use a technology to detect offsides in a semi-automated way during the World Cup (June 11-July 19). This tool ...