Williams will lose Ralf Schumacher, currently injured, and Juan Pablo Montoya at the end of the season.
Red Bull's Mark Webber will quit Formula One at the end of the season for Porsche's new sportscar programme, the Australian announced on Thursday.
The F1 team released Mark Webber from 2005 season contract as it faces an uncertain future on the track.
Red Bull's Australian Mark Webber, closest rival of team mate and Formula One championship leader Sebastian Vettel, crashed out of the Italian Grand Prix on Sunday.
Australian Mark Webber won the showcase Monaco Grand Prix for champions Red Bull on Sunday as Formula One celebrated an unprecedented six different winners in six races this season.
Australian Mark Webber won the showcase Monaco Grand Prix for champions Red Bull on Sunday as Formula One celebrated an unprecedented six different winners in six races so far this season.
The Australian will take the place of young Austrian Christian Klien at the team.
Elated Australian Mark Webber shrugged off a drive-through penalty to win the German Grand Prix in Nuerburgring on Sunday and end his long wait for Formula One success. German team mate Sebastian Vettel finished second in a Red Bull one-two to cut Briton Jenson Button's championship lead to 21 points with eight races remaining. Ferrari's Felipe Massa was third, his first podium of the year.
Red Bull's Australian Mark Webber roared back to form and denied world champion team mate Sebastian Vettel a third successive British Grand Prix pole position at a damp Silverstone on Saturday.
Red Bull have dismissed reports that Australian Mark Webber is certain to leave the Formula One world champions at the end of the season after Sunday's Malaysian Grand prix team orders furore.
Australian Mark Webber took pole position for the Spanish Grand Prix on Saturday ahead of Red Bull team mate Sebastian Vettel. The pole was the team's fifth in five races and Webber's second of the season.
Australian Mark Webber seized pole position for the South Korean Formula One Grand Prix on Saturday with title-chasing Red Bull teammate Sebastian Vettel having to settle for second place on the starting grid.
Austrian test driver Alexander Wurz will replace Mark Webber in the Williams race line-up next season.
Australian Mark Webber set his sights on a breakthrough first Formula One victory in Germany on Sunday after finally securing pole position at the 130th attempt. The Red Bull driver made the most of Saturday's qualifying, with rain and shine producing tricky conditions, to keep the championship-leading Brawns and German team mate Sebastian Vettel behind him.
Australian Mark Webber won the Spanish Grand Prix for rampant Red Bull on Sunday after leading from start to finish at Formula One's most predictable circuit.
Australian Mark Webber won a sunny British Grand Prix on Sunday for Red Bull to deny Fernando Alonso a second successive victory and slash the Ferrari driver's Formula One lead to 13 points.
Jaguar must raise their game immediately if they are to retain Australian Mark Webber next season, says three times Formula One world champion Jackie Stewart.
Australian Mark Webber dreamed of emulating compatriot and Formula One great Jack Brabham on Saturday after putting his Red Bull on pole position for the showcase Monaco Grand Prix.
Australian Mark Webber won the Spanish Grand Prix for rampant Red Bull on Sunday after leading from start to finish at Formula One's most predictable circuit.
The 34-year-old's contract expires at the end of the year and he has said he is most likely to stay with the team or retire rather than drive for anyone else.
Germany's Sebastian Vettel locked down pole position for the European Formula One Grand Prix on Saturday with Red Bull sweeping the front row for the fourth time this season.
Australian Mark Webber took pole position for the Spanish Grand Prix on Saturday and ended Red Bull team mate Sebastian Vettel's bid for a sixth in succession.
Michael Schumacher crashed out of Japanese Grand Prix practice on Friday, a day after announcing his retirement, while Australian Mark Webber set the pace for Red Bull.
Michael Schumacher rolled back the years in electrifying fashion to qualify fastest for the Monaco Formula One Grand Prix on Saturday, only to be deprived of a sensational pole position by a five place grid penalty.
Australian Mark Webber escaped serious injury when his Red Bull flipped into the air and landed upside down in a dramatic crash at the European Grand Prix on Sunday.
Australian Formula One driver Mark Webber has been seriously injured after being hit by a car while competing in a charity multi-sport event in Tasmania. Webber, who drives for the Red Bull team, was cycling near the historic convict town of Port Arthur when he collided with a four-wheel drive.
Australian Mark Webber has been rewarded with a year's extension to his Red Bull contract after celebrating the first victory of his Formula One career this month.
Australian Mark Webber took back the Formula One championship lead from Lewis Hamilton on Sunday after snatching victory in a Hungarian Grand Prix that Red Bull teammate Sebastian Vettel had been favourite to win.
Narain Karthikeyan finished 15th for Jordan as the highest-ranked of the four men making their Grands Prix debuts in Australia.
The Australian would be favourite to replace Alonso at Renault if the world champions fail to secure Kimi Raikkonen from McLaren.
Australian Mark Webber has peace of mind when he puts his foot down now that he has had a 38cm long titanium rod removed from his leg.
Former Formula One driver Mark Webber had a lucky escape from a high-speed crash at the World Endurance series race in Brazil.
Images from the Monaco Grand Prix won by Red Bull's Mark Webber on Sunday.
Formula One world champion Sebastian Vettel and Red Bull team-mate Mark Webber cleared the air after Sunday's season-ending race in Abu Dhabi, the German said on Tuesday.
Mark Webber swept to victory in the Monaco Grand Prix on Sunday in a Red Bull one-two that catapulted the Australian to the top of the Formula One leaderboard.
Formula One championship leader Mark Webber completed a hat-trick of pole positions at the Turkish Grand Prix on Saturday to hammer home Red Bull's qualifying supremacy.
The down-to-earth Australian driver, preparing for his Williams debut before his home crowd in Sunday's Formula One season-opener, can see clearly what he has to do and where he has to go.