Testing analysisWhat we've learned from the first F1 test By Autosport staff Mercedes proved F1 innovation is alive and well, Williams banished the demons of 2019, while Racing Point's gamble appears to be paying off. Our experts on the ground weigh up all the major talking points from the first week of F1 testing 1582329600 F1

Andrew van LeeuwenThe urgent decisions Supercars must make after Holden's demise General Motors' decision to kill off an Australian motorsport icon isn't just a huge blow for sentimentalists, it's cranked up the urgency in deciding a way forward in Supercars' existential debate 1582243200 SUP

Lewis DuncanWhat "unique" Marquez deal says about his and Honda's ambition A four-year contract extension is unheard of in MotoGP - but that's exactly what Marc Marquez has in his back pocket from Honda. Even if the deal doesn't appease his detractors, it's still the option most likely to guarantee Marquez what he craves most 1582243200 MotoGP

Testing analysisThe testing failure Ferrari didn't need By Alex Kalinauckas An engine failure for Sebastian Vettel that robbed Ferrari of hours of running on day three of testing was a setback the team could really have done without - especially given the long-run averages don't match up favourably in comparison to Mercedes 1582243200 F1

Autosport PerformanceWhat a Le Mans winner gets out of iRacing By Kevin Turner Many top drivers compete in online competition, but it's not necessarily for the reasons you might think - as a trip to Porsche GT ace Nick Tandy's gaming room reveals 1582156800 Performance

Technical analysisMercedes' DAS: What is it, how does it work, and is it legal? By Jake Boxall-Legge and Tim Wright Mercedes sent its rival F1 teams, the media and fans into overdrive when its front wheels were caught turning inwards in response to a steering input from Lewis Hamilton. Here we examine the tech behind the device that has caused so much commotion 1582156800 F1

Alex KalinauckasWhere the big three teams show their might at Barcelona A trackside wander around the aero-dependent Barcelona circuit on day two of the opening F1 test revealed which drivers were having to work harder than others. The big three teams were, unsurprisingly the best-sorted, but that doesn't tell the full story 1582156800 F1

Alex KalinauckasWhy two Red Bull rejects are finally feeling at home Pierre Gasly and Daniil Kvyat's stays of execution with the newly rebranded AlphaTauri team is at odds with the renowned ruthlessness of Red Bull guru Helmut Marko. Now the chance to extend their F1 careers beyond 2020 lies in their hands 1582070400 F1