Ferrari and McLaren stand to lose millions as a result of the collapse of the Marussia Formula One team, the Sunday Telegraph newspaper reported.
The struggling Caterham and Marussia Formula One teams will both miss next week's U.S. Grand Prix in Austin, Texas, the sport's commercial supremo Bernie Ecclestone told Reuters on Saturday.
German driver Timo Glock will miss Sunday's European Grand Prix in Valencia for health reasons, his Marussia Formula One team said.
Jules Bianchi's accident in Sunday's Japanese Grand Prix has prompted questions over whether the Formula One race should have been started earlier to beat deteriorating weather conditions.
French Formula One driver Jules Bianchi remains unconscious but has begun a programme of rehabilitation therapy, his family said in a statement on Tuesday.
Marussia expressed shock and anger on Wednesday at media allegations that French driver Jules Bianchi had ignored warning flags and been told to go faster by the Formula One team before he crashed and suffered critical head injuries in Japan.
Germany's Timo Glock has left Marussia with immediate effect in a decision driven by financial reasons and the Formula One team's need for money in a tough economic climate.
Brazilian Luiz Razia will race for Marussia this season alongside Britain's Max Chilton, the Formula One team announced on Wednesday.
Marussia's hopes of rising from the dead to race in next month's Formula One season-opener in Australia have suffered a setback after rivals rejected a proposal to let them compete with last year's car.
Russian Grand Prix winner Lewis Hamilton might cover the distance in a matter of minutes but it has taken more than half a century for Mercedes to add their names to the likes of Ferrari, McLaren and Williams.
Virgin Racing want to change their name to Marussia next season to more accurately reflect the Formula One team's current ownership structure.
Marussia will race with only one car in Sunday's Russian Formula One Grand Prix out of respect for their severely injured French driver Jules Bianchi, the team said on Friday.
Critically injured French Formula One driver Jules Bianchi will not give up his fight for life but the situation remains desperate, his father Philippe said on Tuesday.
Formula One world champions past and present paid their respects to Jules Bianchi and mourned one of their own at the French driver's funeral on Tuesday.
The British-based Marussia Formula One team reached the end of the road on Friday with some 200 staff told the company has ceased trading and they are being made redundant.
With the Formula One season about to get underway, here's a look at the news cars teams will use.
Jules Bianchi, who went into a coma after suffering brain injuries in a horrific crash in Japan last October, recorded his first points for Marussia at the Monaco GP last season.
The crash that left French Formula One driver Jules Bianchi in a critical condition with severe head injures was down to bad luck rather than poor judgement by Japanese Grand Prix race officials, a track spokesman said on Tuesday.
French driver Jules Bianchi was taken to hospital after being seriously injured in a crash that brought a halt to a wet Japanese Formula One Grand Prix on Sunday.
An FIA report found that Marussia driver Bianchi over-controlled the oversteering car, such that he left the track earlier than Sutil, and headed towards a point 'up-stream' along the barrier.
Formula One has had to modify its qualifying format after financial problems ruled the Caterham and Marussia teams out of Sunday's US Grand Prix while Red Bull's Sebastian Vettel is set to be sidelined by an engine penalty.
More Formula One teams could follow Caterham and Marussia into administration or failure, the former head of the sport's governing body Max Mosley warned on Monday.
Formula One is facing fresh calls to consider closed cockpits after French driver Jules Bianchi's accident in Japan last weekend, though opinions are mixed about the potential benefits. Cockpit covers were tested by the governing International Automobile Federation (FIA) after Brazilian Felipe Massa suffered severe head injuries when he was hit by a bouncing spring in Hungary in 2009. In 2012, tests were carried out using a forward roll hoop -- a metal structure placed right in front of the driver -- after other experiments with a jet fighter-style canopy and windshields. None were developed beyond the testing stage, but drivers and teams suggested at the Russian Grand Prix they could be revisited after Bianchi suffered a severe brain trauma when his Marussia crashed into a recovery tractor at Suzuka.
Formula One teams say they will race in Russia, despite the crisis in Ukraine and downing of a Malaysian airliner, unless the country's debut Grand Prix in October is called off or they are ordered not to go.
On a rainsoaked afternoon that saw the race twice stopped and re-started with the safety car deployed five times, there were also those who felt the sport had erred too far on the side of caution.
Rediff.com brings you a collection of some of the odd and unusual sports images from around the world in recent weeks.
Quadruple Formula One world champion Sebastian Vettel went for five on Friday with the German choosing to have that numeral on his car when he is eventually deposed as number one.
While Formula One rivals head to the sea or mountains at the start of the August break, Max Verstappen has some driving lessons on the horizon.
Team by team prospects for the 2016 Formula One season.
The entire Ferrari team has sent a message of encouragement to Formula One driver Jules Bianchi, who is fighting for his life following an accident at the Japanese Grand Prix one week ago.
The family of the late French Formula One driver Jules Bianchi are planning legal action against the sport's governing body, his former Marussia team and Bernie Ecclestone's Formula One Group, they said in a statement on Thursday.
Jules Bianchi's racing number 17 has been retired from use in Formula One following the French driver's death last week, the sport's governing body announced on Monday.
Spanish female Formula One test driver Maria De Villota was taken to hospital with life-threatening injuries after her Marussia car hit a parked truck at an airfield in eastern England. The Marussia team said in a statement that De Villota, who was testing the car for the first time, was injured after completing an installation run at Duxford airfield at around 0810 GMT.
Jules Bianchi had a bright future in Formula One.
Williams development driver Susie Wolff paid tribute to seriously injured Marussia tester Maria De Villota after having her first drive in a Formula One car at a damp Silverstone circuit on Wednesday.
Former world champions Fernando Alonso and Jenson Button are among six drivers hit with a plethora of penalties on the grid for Sunday's Italian Grand Prix at Monza.
Mick Schumacher, who will face intense scrutiny as embarks on his Formula One career, said for now he was simply overwhelmed to be following in his father's footsteps and called his promotion a dream come true.
The father of French Formula One driver Jules Bianchi says he is "less optimistic" that his son will recover from the severe head injuries he suffered in a Japanese Grand Prix crash last October.
Ferrari's Fernando Alonso gave a teasing hint about his Formula One future on Sunday by saying the decision would seem obvious once announced and he was unlikely to drive for a Mercedes-powered team.
Formula One and the wider world of motorsport mourned the death of young Frenchman Jules Bianchi on Saturday.
