Williams's rise to fifth in the championship this year hasn't come at the expense of their preparations for Formula 1's new regulations, says team principal James Vowles.
Christian Horner's ousting from Red Bull after 20 years as team principal was the result of his "sense of entitlement", says his former rival Toto Wolff.
A mixture of 2025-specification Formula 1 cars and 'mule' chassis intended to mimic the new rules for 2026 shared the track on the final day of testing.
Lewis Hamilton and race engineer Ricardo Adami shared a laugh as 2025 came to an end, but there is clearly still room for improvement in how they work together.
Max Verstappen says he is heading into the off-season on a high despite seeing the world championship slip away from him by just two points in the final race.
The three world championship contenders fought every lap of the way in the finale. Here's how each of them saw their races from lights out to chequered flag.
Max Verstappen was unhappy to be reminded of his collision with George Russell in Spain after falling two points short of winning the world championship.