NASCAR Cup Series managing director Brad Moran explains the tire failures seen during Cup Series practice at Kansas Speedway and how teams push the limits.

Kyle Larson had another dominant car Sunday afternoon in Kansas, but he was a little unsure in the closing laps. The Hendrick ...

Brad Keselowski's strong second place at Kansas turns to disaster as a tire failure sends him crashing out of the race.

Brad Keselowski was running toward the front of the field until a blown tire ended his chances to win the NASCAR Kansas race.

Good morning! We’re finishing out the week with two cars that need some work, but not on the outside. They’ve both had a ...