The Sporting News breaks down the offside rule, how it is enforced and why it's a part of the game.

The Women’s World Cup is back again, which means one of the most controversial calls in sports has also returned. The offside rule has caused some of the most frustrating moments ever in soccer and is the bane of some fans' existence. Offside is often ...

The flag is up! We explain what that means and why one of soccer's most important rules is also one of the toughest to see live.

SEATTLE — For nearly two minutes Friday afternoon, confusion spread across the stadium. Fans inside Seattle’s Lumen Field — called Seattle Stadium during the World Cup — all celebrated what they thought was a crucial second goal for the United States in their Group D match against Australia.

Even though it's fairly straightforward, soccer's offside rule can be confusing for casual fans. And even controversial at times. The United States had two goals called back for o

Croatia head coach Zlatko Dalic spoke about the "poor" refereeing that he felt cost his side a World Cup game against Portugal.