Marussia have not yet decided on whether to replace the injured Jules Bianchi in the Russian Grand Prix this weekend. read more »

Kamui Kobayashi says he is unsure whether he will be on the Formula 1 grid for his home round of the championship in Japan, in two weeks' time. Kobayashi has raced for... read more »

Kamui Kobayashi admits he doesn't know what his future at Caterham holds for the remainder of the 2014 season... read more »

Valtteri Bottas is unsure whether Formula 1 rival Kevin Magnussen deserved to be penalised for his defensive driving during their Italian Grand Prix battle read more »

Kimi Raikkonen believes that Ferrari could struggle to collect a good result at their home race in Italy this weekend. Raikkonen, who collected a season-best of fourth in... read more »

Mercedes driver Lewis Hamilton admits that he is unsure of governing body the FIA's stance when it comes to racing limits after his clash with team-mate Nico Rosberg at... read more »

Speaking in the Thursday press conference at the Italian Grand Prix Mercedes driver Lewis Hamilton revealed that he is unsure how hard F1 drivers can push each other following... read more »

Lewis Hamilton says the FIA's decision not to punish Nico Rosberg for their Belgian Grand Prix clash leaves him unsure how hard Formula 1 drivers can now race each other read more »

Fernando Alonso has admitted he is unsure if Ferrari will be able to close the gap to Mercedes next year. read more »

Lewis Hamilton admits he is not sure what the future holds in terms of on-track action with Nico Rosberg following the drama at the Belgian GP... read more »

Lewis Hamilton says he's no longer sure if he can trust team-mate Nico Rosberg when it comes to the two battling for position on track. The pair have found themselves... read more »

Brake manufacturer Brembo are still unsure as to what caused Lewis Hamilton's brake disc to fail in qualifying for the German GP... read more »

The Caterham Formula 1 team is unsure what caused the fuel leak that led to Kamui Kobayashi's car catching fire during free practice for the German Grand Prix. read more »

Mercedes drivers Nico Rosberg and Lewis Hamilton topped the opening practice sessions on Friday, but the gap to rivals Red Bull and Ferrari seems to have closed up.... read more »

Sebastian Vettel is unsure if Red Bull will be able to recover sufficiently to challenge Mercedes in 2015. read more »

Giedo van der Garde has admitted that he is unsure as to the cause of his late accident on the final day of testing at Silverstone. read more »

Sebastian Vettel was hesitant to predict whether Red Bull can challenge Mercedes on a consistent basis in 2015. Vettel has endured a troublesome season in the RB10 and has... read more »

Ferrari's Fernando Alonso took the points today for the Scuderia despite having to manage car issues towards the end of the race. Team mate Kimi Raikkonen already... read more »

The Ferrari Formula 1 team is unsure if Kimi Raikkonen will be fit to test at Silverstone this week following his British Grand Prix accident read more »

Valtteri Bottas said Williams is unsure what caused the damage to his engine cover which left a big hole in the bodywork during FP2 for the British Grand Prix read more »

Valtteri Bottas is unsure whether Williams can consistently challenge Mercedes for race wins, having taken the fight to Formula 1's dominant outfit at the Austrian Grand... read more »

Tyre supplier Pirelli admits more research needs to be done on the standing restarts rule which has been approved for 2015 read more »

The Toro Rosso Formula 1 team says it will investigate the rear suspension on Daniil Kvyat's car, following his dramatic retirement from the Austrian Grand Prix. read more »

Lewis Hamilton says he's "not sure" what caused him to spin out during qualifying for the Austrian GP... read more »

Fernando Alonso is refusing to rule out a podium result in Montreal but admits it is a "very ambitious" target... read more »