Mercedes pair Lewis Hamilton and Valtteri Bottas have both reported "challenges" with the tyres after they completed another half day of running each in Barcelona. read more »

Sebastian Vettel is back behind the wheel of the Ferrari SF71H after a mammoth day on Tuesday because Kimi Raikkonen is too unwell to drive. read more »

Mercedes boss Toto Wolff thinks Red Bull will be a major threat for both race wins and the championship as the Silver Arrows prepare for a three-way title fight. read more »

Sergio Perez does not believe Force India are currently occupying their usual fourth place spot in Formula 1 and a big improvement is needed for the season opener at Australia. read more »

Liberty Media boss Greg Maffei has revealed his "surprise" about the loud "noise" surrounding the future of Formula 1. read more »

McLaren racing director Eric Boullier has said there is "absolutely no drama" at McLaren after a dismal day at the second winter test in Barcelona. read more »

Max Verstappen was unfazed by his Red Bull RB14 grinding to a halt in Barcelona, which saw him miss a big chunk of the afternoon session on Tuesday. read more »

Toro Rosso have suffered their first major setback of winter testing after managing just one lap in the afternoon session on day five in Barcelona. read more »

Sebastian Vettel topped the timesheets on the first day of the second test in Barcelona, but there were significant breakdowns at both McLaren and Red Bull. read more »

Sauber have announced that Tatiana Calderon will be the team's test driver for the 2018 season. read more »

Force India's Sergio Perez thinks Fernando Alonso has taken on too much work for himself in 2018 by combining Formula 1 with a full World Endurance Championship programme. read more »

Tuesday morning's timesheet displayed a familiar tale as Ferrari and Mercedes battled at the front while McLaren were bottom with only a handful of laps on the board. read more »

Jenson Button says Carmen Jorda is "not helping proper female racing drivers" by claiming that they can't physically do the job. read more »

As Formula 1 continues to debate the new rules for 2021, Guenther Steiner says it needs to be done as a collective package as no one issue can stand alone. read more »

Tuesday saw the Formula 1 teams return to the Circuit de Catalunya for the second and final test but it wasn't a great start for Stoffel Vandoorne. read more »

Charles Leclerc says timing in F1 is everything, and he reckons he has arrived at Sauber at the "right time." read more »

Williams have taken to social media to deny that they were behind the FIA's recent clampdown on engine disparity. read more »

Formula 1 returns to the Circuit de Catalunya on Tuesday for the start of the second and final test, and one that everyone hopes will be more productive than the first. read more »

Apparently it is not just the asthetic of Halo that has Kevin Magnussen up in arms, he's also unhappy with getting in and out of the car, chicanes and Eau Rouge. read more »

Ross Brawn believes F1 needs to find a "solution" that keeps Ferrari in the sport but without giving them special treatment. read more »

Deputy team principal Claire Williams has said McLaren face a "fight on their hands" if they attempt to poach sponsors away from the Grove-based team. read more »

Formula 1 has shelved plans to introduce a new regional calendar which was due to start in Europe, head to the Americas then finish in Asia. read more »

Predicting a "massive season" for Force India, Sergio Perez says he will work together with Esteban Ocon, putting aside last year's troubles. read more »

Toro Rosso and new engine partner Honda could be the "surprise" of this season; that's according to Brendon Hartley. read more »

Heavily criticised since being announced as a Williams driver, Sergey Sirotkin says he'll be the first to admit if he is out of his depth - but he's adamant he's... read more »