Felipe Massa says his two left rear punctures during the opening practice session for the Chinese Grand Prix were caused by contact with his car's bodywork.
Felipe Massa says F1's drivers can "push for the better of the show" if they retain a united front after their highly-publicised group meal in Shanghai this week.
Williams deputy principal Claire Williams says this year's debacle over qualifying proves F1 must stop experimenting with new ideas in public.
Williams' latest financial results show an improvement for both the F1 team and Williams Grand Prix Holdings PLC.
Valtteri Bottas insists there was opportunity to make a move into Turn 1 before he made contact with Lewis Hamilton in Bahrain.
Valtteri Bottas fears Mercedes' big gap to the rest in Bahrain's Friday practice sessions is a truer representation of the advantage it still holds over its rivals.
Valtteri Bottas expecting to get a clearer picture of where Williams stands on the permanent Bahrain desert circuit.
Williams technical chief questions whether F1 wants a situation where a team like Haas can join the grid with a long list of Ferrari parts.
Valtteri Bottas will start the Australian Grand Prix from 16th on the grid after Williams had to replace his car's gearbox overnight, incurring a five-place grid penalty.
Valtteri Bottas says he is feeling more complete as a driver coming into 2016 and feels he laid down a marker to rivals with his aggressive driving last season.
Former Force India will deputise for Williams as back-up for its two senior drivers, a role he will combine with DTM.
Williams driver wants to drive a car that's "more fun" when regulations change next year and thinks he still has plenty to offer F1.
Mercedes team boss Toto Wolff has sold his remaining shares in the Williams F1 team to American healthcare executive Brad Hollinger.
Valtteri Bottas says Williams has more performance to bolt onto its car ahead of the first race of the season in just over two weeks.
Williams set the fastest time of the second day of the final pre-season test in Barcelona this week as new team Haas continued to struggle with another reliability issue.
Valtteri Bottas encouraged by the early signs from the FW38 and thinks Williams may have solved one of the teams' biggest weaknesses from recent seasons.
Valtteri Bottas says Mercedes is in league of its own at the moment and is hoping Williams will challenge the likes of Ferrari and Red Bull for best of the rest.
Felipe Massa thinks the 675 laps completed by Mercedes this week suggests the world champions will be "very, very strong" again in 2016.
Williams technical director Pat Symonds believes Formula One should spend more time trying to understand the science of overtaking before rushing in to rule changes.
Kimi Raikkonen returned Ferrari to the top of the timing screens as McLaren completed just three laps due to a coolant leak detected early in the morning.
Force India's Nico Hulkenberg tops the third day of testing as McLaren becomes the only team to fail to register a race distance following a hydraulics failure.
Ferrari's Sebastian Vettel finished top for the second day in a row after a lap on Pirelli's new ultra-soft lap as world champions Mercedes rack up over 800km in mileage.
Sebastian Vettel tops opening day of Barcelona testing as Lewis Hamilton completes well over two race distances -- 157 laps -- in his Mercedes.
Technical chief Pat Symonds confident Williams' 2016 challenger can solve the team's recent struggles in slow speed corners without compromising performance in other areas.
Williams chief technical officer Pat Symonds says the new exhaust systems for 2016 will make engines 12% louder than last year.
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