Mercedes ran one-two in opening practice for the Brazilian GP, with Nico Rosberg leading Lewis Hamilton in wet conditions at Interlagos.
Christian Horner has admitted he is "flattered" by Bernie Ecclestone proposing him as the next head of Formula One.
Bernie Ecclestone wants Red Bull team principal Christian Horner to succeed him in running Formula One.
Daniel Ricciardo says he is more excited than intimidated by the prospect of partnering Sebastian Vettel at Red Bull next season.
Mark Webber concedes he feels ready to bring the curtain down on his Formula One career.
Lewis Hamilton has expressed his frustration with the media's portrayal of his radio messages during last week's United States GP.
Nico Hulkenberg has admitted to disappointment he has not been signed up by one of Formula One's big names.
Force India co-owner Vijay Mallya has promised Paul Di Resta and Adrian Sutil a straight answer if they ask him about their future at the team.
Marussia sporting director Graeme Lowdon hopes lightning doesn't strike twice in Sao Paulo this weekend, despite the forecast of thunderstorms.
Mercedes are wary of the unpredictable nature of Interlagos that could scupper their bid to finish second in the constructors' championship.
Paul Di Resta says he is working hard to stay in F1, but admits he may find himself without a seat in 2014.
Max Chilton will have to wait until December before learning if he still has a seat at Marussia, Sporting Director Graeme Lowdon has said.