Wednesday, 28 January
Sebastian Vettel considered quitting Formula 1 during 2014 as he failed to win a grand prix, according to his former Red Bull team principal Christian Horner. (Guardian) (external)
Meanwhile, Vettel's new Ferrari team-mate Kimi Raikkonen has become a father after his fiancee was quoted in Finnish newspapers as confirming the pre-season arrival. (Motorsport.com) (external)
McLaren looks set to debut its Honda-powered 2015 car on Sunday in Jerez with an all-black livery, according to reports in Spain.(Wheels24) (external)
One team who will not be in Jerez are Force India, who have decided not to run their old car at the opening test of the 2015 season.(Sky Sports) (external)
New Williams development driver Alex Lynn tweeted his delight (external) at joining the Grove-based team: "I am extremely proud to be joining @WilliamsRacing (external), a team with such amazing history and undoubtedly an even better future!"
Tuesday, 27 January
Rivals of Mercedes have been warned to brace themselves for a step forward in performance from the engine supplier in the 2015 season. (Autosport.com) (external)
Marussia will have to base themselves at Virgin's former headquarters in Dinnington, Yorkshire should they come out of administration after new American F1 team Haas completed a deal to buy their former factory in Banbury. (F1today.net) (external)
Images capturing life on the Formula 1 circuit taken by drivers, team principals and well known figures from the sport have raised more than £20,000 at auction for Great Ormond Street Hospital's Children's Charity. (Telegraph) (external)
McLaren's plans to expand their technology centre on greenbelt land north of Woking, Surrey have received objections from neighbours and conservationists. (Get Surrey) (external)
Back at the team's current base, Fernando Alonso was trying on his new race overalls for the first time as this "suited and booted" tweet revealed. (external)
Williams driver Valtteri Bottas has been hitting the roads on his bicycle before pre-season testing. The Finn tweeted pictures (external) of his latest snow-swept ride and said: "Amazing new route found up to the mountains to see some snow."
Monday, 26 January
Driver Romain Grosjean tweeted (external) his approval after his Lotus team revealed the first pictures of their 2015 car. "New office for the year :-) looking forward driving the #E23 ! NOT long to go..." the Frenchman said.
Meanwhile, Ferrari have announced their new car will be called the SF15-T, paying homage to S for Scuderia and the car's turbo engine. (Autosport.com) (external)
Williams driver Valtteri Bottas will debut the team's 2015 car at the first winter test in Jerez in February. Team-mate Felipe Massa will get his turn behind the wheel after the first two days. (ESPN) (external)
World Champion Lewis Hamilton showed his followers on social media how he maintains his need for speed outside the season as he shared pictures of his £1.5m Zonda on Instagram. (external)
Hamilton's Mercedes team-mate Nico Rosberg has predicted another season of dominance for the Brackley-based team. (Autoweek) (external)
Red Bull driver Daniel Ricciardo tweeted a picture (external) from a mystery ski slope as he celebrated Australia Day in a more wintry environment.
Caterham driver Marcus Ericsson gave fans a sneak preview of the design for his 2015 race helmet with this post on Instagram. (external)