Red Bull, drivers' and constructors' champions for four years in a row from 2010, have fallen out with underperforming Renault and are casting around for a replacement engine provider with Ferrari their only real option given Honda's woes.
World champion Sebastian Vettel will start the Formula One season-opener from pole position on an all-Red Bull front row later on Sunday after posting the fastest time in the rain-delayed qualifying for the Australian Grand Prix.
Mark Webber caught his Red Bull team on the hop on Thursday with the announcement that he was leaving Formula One at the end of the season to race Le Mans with Porsche.
Red Bull's Formula One world champion Sebastian Vettel took his first pole position of the season in qualifying for the controversial Bahrain Grand Prix on Saturday.
Ferrari's Fernando Alonso emerged as a possible surprise candidate for the vacant Red Bull seat on Sunday after the Formula One world champions refused to rule him out.
The four-time world champion was summoned after the second session at the Hungaroring as stewards reviewed the video evidence.
Formula One world champion Sebastian Vettel has no agreement with Ferrari and will be staying at Red Bull for years to come, team boss Christian Horner said on Tuesday.
Max Verstappen suffered his first retirement of the Formula One season on Sunday after a collision with Mercedes' Kimi Antonelli on the opening lap of Red Bull's home Austrian Grand Prix.
Formula One champion Sebastian Vettel chalked up Red Bull's 13th pole position in 13 races this season with a blistering lap in Italian Grand Prix qualifying on Saturday.
Formula One championship leader Mark Webber gave Red Bull their 12th pole position in 13 races this season at the Belgian Grand Prix on Saturday.
Mocked, misjudged, written off, Lando Norris's carves own road to F1 Glory
Australian Mark Webber won the Spanish Grand Prix for rampant Red Bull on Sunday after leading from start to finish at Formula One's most predictable circuit.
Team-mates Mark Webber and Sebastian Vettel blamed each other on Sunday for a Turkish Grand Prix collision that cost Red Bull a one-two finish and a championship lead.
Australian Mark Webber has been rewarded with a year's extension to his Red Bull contract after celebrating the first victory of his Formula One career this month.
Chinese Grand Prix winners Red Bull have ruled out a major design change to their Formula One car before next month's showcase Monaco race.
Formula One leaders Brawn GP see Red Bull as their main rivals for the championship with Germany's Sebastian Vettel an ever present danger for Jenson Button.
Max Verstappen was fastest on the opening day of practice for the Belgian Formula One Grand Prix ahead of Red Bull team mate Daniel Ricciardo as world champions Mercedes chose to focus on race preparation. Verstappen set a benchmark time of one minute 48.085 seconds, 0.256 quicker than Ricciardo on a hot and sunny day at the Spa-Francorchamps circuit.
Daniel Ricciardo kept calm and carried on to win a tense Monaco Grand Prix for Red Bull on Sunday after power unit problems threatened to wreck his hopes of victory in Formula One's showcase race.
Chelsea boss Jose Mourinho sprung to the defence of new goalkeeper Asmir Begovic after the Bosnian conceded four goals against the New York Red Bulls.
Red Bull's pre-season problems showed little sign of easing in Bahrain testing on Wednesday with four-times world champion Sebastian Vettel managing only 14 laps on the first day.
Max Verstappen seized pole position for Sunday's US Grand Prix while Formula One leader Oscar Piastri qualified sixth after a costly sprint race collision with his McLaren teammate Lando Norris.
Seven-times World champion Lewis Hamilton failed to stand on the podium all year for the first time in his career.
McLaren, who secured the constructors' championship in October for the second year in a row, won both titles in the same season for the first time since 1998.
Portuguese racer Antonio Felix da Costa and Spain's Carlos Sainz junior will test for Formula One champions Red Bull at next month's young driver session at Silverstone, the team said on Friday.
Four-time Formula One champion and Red Bull racer Sebastian Vettel has warned his team that they might be facing a debacle unless they improve their car before the season opens at the Australian Grand Prix in two weeks.
Engine suppliers Renault apologised to Formula One champions Red Bull at the Italian Grand Prix on Sunday after the team failed to score a point in a race for the first time since 2010.
McLaren apologised to Formula One rivals Red Bull on Tuesday after a standard engine control unit that they supply to all teams contributed to Mark Webber's poor start at his home Australian Grand Prix.
The New York Red Bulls head into this weekend's new Major League Soccer (MLS) season hoping that their latest personnel reshuffle will finally deliver a maiden title after an 18-year wait.
Oscar Piastri won the Dutch Grand Prix to take a mighty 34 point lead in the Formula One championship on Sunday as McLaren teammate and title rival Lando Norris saw his hopes go up in smoke.
Sebastian Vettel led a Red Bull one-two on Friday in practice for a South Korean Grand Prix that could send the Formula One World champion back into the overall lead for the first time since May.
Mark Webber kept Red Bull on course for a 14th pole position in as many races this season, when he lapped fastest in final free practice for the Singapore Grand Prix on Saturday.
Formula One champions Red Bull will have their 2011 car on track ahead of rivals McLaren with a launch scheduled for the first pre-season test at Spain's Valencia circuit on Feb. 1.
Sebastian Vettel won the Japanese Grand Prix on Sunday in a Red Bull one-two with Mark Webber, who stretched his Formula One championship lead to 14 points.
Lewis Hamilton is confident McLaren can close the gap on Sebastian Vettel's Red Bull after staging a stunning turnaround to finish second behind the world champion at the Australian Grand Prix on Sunday.
Images from the inaugural Korean F1 Grand Prix held at the Yeongam International Circuit on Sunday.
McLaren's Lando Norris edged out championship-leading teammate and Formula One title rival Oscar Piastri to take pole position for what could be a wet and chaotic Belgian Grand Prix on Sunday.
Mark Webber can expect a new Red Bull contract to be heading his way after team boss Christian Horner said on Thursday that he was not looking to change a winning line-up.
Germany's Sebastian Vettel ran away with the British Grand Prix in a Red Bull one-two while championship leader Jenson Button struggled home in sixth place on Sunday. Australian Mark Webber finished runner-up, 15.1 seconds behind the 21-year-old, with Brazilian Rubens Barrichello in third place for Brawn GP.
Sebastian Vettel stormed to victory at the Malaysian Grand Prix on Sunday, leading home a Red Bull one-two ahead of Mark Webber with Nico Rosberg completing the podium for Mercedes.
Lewis Hamilton has dismissed suggestions of friction within Ferrari after team chairman John Elkann's recent comments that he and teammate Charles Leclerc should "focus on driving and talk less".