Ferrari recorded their worst season in 40 years after they finished a lowly sixth in the constructors’ championship.
Ricciardo is among Formula One’s most established names and will partner Norris at the British team this season.
Teams are preparing to reveal their 2021 contenders over the next few weeks – here’s what to expect.
Seven-time world champion Hamilton recently agreed a one-year contract extension, but Mercedes are having to consider life after their star driver, who will be 37 next year.
Honda are leaving the sport at the end of the year.
Testing for the new campaign begins in Bahrain in only four weeks ahead of the first race.
The two-time former world champion from Spain was set to return to the sport on a full-time basis in 2021.
The 39-year-old is conscious following the incident in Switzerland and will undergo further tests on Friday.
If given the green light, the format is set be trialled at this season’s Canadian, Italian and Brazilian Grands Prix.
Bosses have put forward the idea of holding a shorter race on Saturday.
Hamilton signed a one-year deal on Monday.
The 36-year-old will be bidding to win an unprecedented eighth world title.
With continued doubts over where the third race will be staged, F1 is considering a second grand prix in Bahrain.
The 34-year-old scrambled to escape his burning cockpit for almost half-a-minute in November.
Mercedes will wait until March before unveiling their new car, with Lewis Hamilton's future still to be confirmed. Seven-time world champion Hamilton's contract with the world …