News in depth
The Supercars title contenders will start the first leg of the Gold Coast 600 from opposite ends of the Top 10, with Scott McLaughlin on pole and Shane van Gisbergen on the fifth row after a kerb strike in the Shootout.
Ducati rider Andrea Dovizioso returned to the top of the timesheets in third practice for MotoGP's Japanese Grand Prix, narrowly edging Cal Crutchlow and Johann Zarco.
Shane van Gisbergen has secured provisional pole for Saturday's leg of the Gold Coast 600, while Craig Lowndes will start outside the Top 20 thanks to a penalty for running into Richie Stanaway
Sebastian Vettel claimed he was not concerned by rain at Austin because "If our car's quick, it will be quick when it's dry and when it's wet". That's bad news for Ferrari, which can no longer beat runaway F1 title favourite Mercedes in a straight fight.
Sebastian Vettel thinks the way that Formula 1's red flag rules are policed is wrong, after being handed a three-place grid penalty for not slowing enough in practice for the United States Grand Prix.
Ryan Blaney led Friday's NASCAR Cup practice from Kansas Speedway for Team Penske.
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Giorgio Piola and Sutton Images bring you the Formula 1 technical updates on show in the Austin pitlane at the US GP, giving insight into the relentless development undertaken by the teams in pursuit of more performance.
Robert Kubica says he can't wait until December for a decision on the second Williams seat for the 2019 Formula 1 season.
Spencer Gallagher announced at Kansas Speedway that he’ll step away from driving at the end of the season to focus on GMS Racing operations.
McLaren CEO Zak Brown has announced that the marque will not compete full-time in IndyCar next year but there is a chance that Fernando Alonso could race in the Indy 500 again as a one-off.
Williams Formula 1 deputy team principal Claire Williams believes Robert Kubica could be a "fantastic" teammate for rookie George Russell in 2019.
Peugeot’s shock withdrawal from the World Rallycross Championship is not based on recent results in the series, the brand’s CEO has clarified.
Supercars star Scott McLaughlin says he was "holding on for dear life" during the opening NASCAR demo on the streets of the Gold Coast today.
Ferrari boss Maurizio Arrivabene has hit back at suggestions his team is in disarray after a run of errors that have hurt its world championship assault.