Helmut Marko says Red Bull have taken the decision to pull out of F1 if they do not have a competitive engine in 2016.
The legal case against Lotus brought by HMRC over unpaid tax has been adjourned for a second time.
McLaren's Fernando Alonso says he has heard "positive" noises about struggling Honda's planned improvements for 2016.
Jenson Button is optimistic he will stay on as a McLaren driver in 2016 after revealing that he's "had some good talks".
Renault have given the strongest hint yet that their engine deal with Red Bull will end a year early, at the end of the season.
Haas won't have an American driver in 2016 as the team feel "there is nobody out there at the moment".
Pirelli have told Sky Sports that their future in F1 is dependent on a "serious test programme" being accepted by the teams.
Ferrari supremo Sergio Marchionne reckons the Scuderia can emerge as a “true competitor” once more in 2016.
Red Bull are likely to be powered by Ferrari in 2016 after Mercedes cooled on becoming their rival's engine suppliers.
Red Bull admit they have been speaking to other manufacturers as speculation mounts they will end their Renault deal for 2016.
The 2016 F1 season is set to be extended until December, the sport's supremo Bernie Ecclestone has revealed.
Lewis Hamilton has told Sky Sports that it would be a mistake if Mercedes supply Red Bull with engines.
Felipe Massa and Valtteri Bottas will stay as team-mates after Williams confirmed an unchanged line-up for 2016.
Red Bull have revealed their opposition to F1's winter shutdown which will see the sport mothballed for three months.
Nico Hulkenberg has committed to Force India for the 2016 and 2017 seasons after signing a two-year contract extension.
Predicting the line-ups of the F1 teams in 2016 after Ferrari retained Kimi Raikkonen. Cue the status quo or could there be some surprises?
Lotus say 2015 is "the worst season we have had financially" and that they would love to become a Renault works squad again.
Sky F1 understands Mercedes' initial reluctance to becoming engine providers to erstwhile rivals Red Bull is softening.
Stoffel Vandoorne says he is the best man to replace Jenson Button if the former world champion leaves McLaren.
Ferrari have announced they will keep Kimi Raikkonen for 2016 in an unchanged partnership alongside Sebastian Vettel.