Max Verstappen's first morning in the RB14 was curtailed by a "minor fuel leak" according to Red Bull. read more »

Christian Horner has urged the FIA to close any loopholes regarding oil burning, saying there are still ways to exploit it during qualifying. read more »

Freezing temperatures in Barcelona has made it slow progress for many teams at the Circuit de Catalunya, where Valtteri Bottas is on top at the unofficial lunch break. read more »

F1 commercial boss Sean Bratches has said a new TV package will be ready for the new season and will "totally revitalise the way F1 is produced". read more »

Brendon Hartley believes McLaren have made a "mistake" leaving Honda, claiming he has more power in his Toro Rosso this year compared to last season. read more »

McLaren's MCL33 has been voted as the favourite launch car of the 2018 season in our latest PlanetF1 poll. read more »

Kimi Raikkonen has said the new Ferrari SF71H was "ok" on its first day of running in Barcelona but it is still "too early" to make any definitive conclusions. read more »

Fernando Alonso has shrugged off his spin on the first day of testing in Barcelona, saying the focus should instead be on teams who are hiding in their garages. read more »

After overnight snow at the Circuit de Catalunya, the teams are back in very chilly conditions for the second day of testing. read more »

Williams will lose a major sponsorship at the end of the 2018 season as Martini will sever all ties with Formula 1. read more »

Mercedes are prepared to let Valtteri Bottas stake a claim for the Silver Arrows seat beyond 2018 before considering alternatives such as Daniel Ricciardo. read more »

Red Bull team principal Christian Horner is pessimistic about the team's title chances this season in the face of Mercedes' "quite frightening" power unit. read more »

Mercedes boss Toto Wolff has played down the prospect of Ferrari forming a breakaway series by saying ex-boss Bernie Ecclestone is merely throwing a "hand grenade". read more »

Daniel Ricciardo topped the timesheets and the lap count on the first day of pre-season testing at the Circuit de Catalunya, as the Toro Rosso-Honda relationship got off to a... read more »

Red Bull boss Christian Horner has said he is struggling to tell Mercedes and Ferrari apart in negotiations over the future of Formula 1. read more »

Fernando Alonso used every part of the Circuit de Catalunya track available to him when seeing a Toro Rosso-Honda up ahead on the first day of testing. read more »

Nico Hulkenberg has "positive" first impressions of the Renault R.S.18 after a mammoth morning stint in the new car on the first day of testing. read more »

Toro Rosso boss Franz Tost is "convinced" they have made a good decision in switching to Honda engines and is encouraged by their potential. read more »

Daniel Ricciardo put in a late run to to set the pace on the opening morning of pre-season testing in which P1 changed hands four times in the final hour. read more »

All 10 teams have now launched their 2018 challengers, starting with Haas' sneaky release and finishing with Toro Rosso and Force India at Winter Testing. read more »

Zak Brown is adamant McLaren's early off in testing isn't a big drama for the team, saying they'll lose "very little" track time. read more »

Force India are still pressing on with plans to change the team's name with Otmar Szafnauer revealing there is a "high probability" it will happen before Australia. read more »

Force India’s launch and Toro Rosso’s official unveiling may have kicked started the day, but Monday was all about the first laps of pre-season testing. Force India, at least... read more »

McLaren have not had the best of starts to pre-season testing - not because of an engine failure, but this time because of a wheel. read more »

Although we've all seen the Haas VF-18 and the Toro Rosso STR13, they were officially launched in Spain on Monday morning. read more »