Seven-time world champion Michael Schumacher has spoken of his fears for the future of Formula 1, just days before the FIA releases the official list of entrants for next season.
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Michael Schumacher fears for the future of Formula 1
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Massa already planning to return
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Schumacher tests Ferrari in first step of comeback
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Schumacher insists he'll race in 2012
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Hamilton expects to be competitive
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'Vitaly will remain in formula one next year, and the year after and three years from now'
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Michael Schumacher to retire from Formula 1 at end of season
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Bottas wants 'long' career
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Vettel says win not as easy as it looked
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Raikkonen focuses on title challenge
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F1 champ Sebastian Vettel raises fear over tyre safety
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Bahrain Grand Prix to go ahead
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Australian Grand Prix likely be scrapped
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Michael Schumacher returns to Formula One
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Massa to undergo more tests
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Michael Schumacher slightly injured in accident
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Michael Schumacher believes rainy conditions would have helped in Silverstone --