Australian Piastri, winner of four of the last five races, lapped the Imola circuit with a fastest time of one minute 16.545 seconds on the softest tyre compound with Norris 0.032 slower on a sunny afternoon.
The 18-year-old, preparing for only his sixth Grand Prix weekend, lapped with a best time of one minute 26.482 seconds to pip McLaren's championship leader Oscar Piastri by 0.045 seconds.
Four times Formula One world champion Max Verstappen and partner Kelly Piquet announced the birth of daughter Lily on Friday.
The win from fourth on the grid was Australian Oscar Piastri's third in a row, after Bahrain and Saudi Arabia, and fourth of the season. McLaren have so far been beaten only once.
Australian all-rounder Glenn Maxwell retired from ODIs to focus on next year's T20 World Cup in India and Sri Lanka.
Lando Norris celebrated his first Monaco Grand Prix win from pole position on Sunday.
Lando Norris won the Austrian Grand Prix and revived his Formula One title bid after fending off championship-leading McLaren team mate Oscar Piastri under race-long pressure on Sunday.
F1 leader Oscar Piastri seized pole position from teammate and title rival Lando Norris by a hefty margin as dominant McLaren locked out the front row in Spanish Grand Prix.
Max Verstappen celebrated Red Bull's 400th Formula One race with a fourth win in a row at Imola on Sunday.
Days after the Red Bull driver and partner Kelly Piquet welcomed daughter Lily, his first child, the four-times champion set a blistering lap of one minute 26.204 seconds around the Hard Rock Stadium.
Aston Martin's Lance Stroll collected a one-place grid drop for Sunday's race after stewards ruled the Canadian was to blame for the collision with Leclerc running into him at the hairpin.
Mercedes have signed 18-year-old Kimi Antonelli to replace Lewis Hamilton next year.
Lewis Hamilton celebrated his first Formula One win for Ferrari after leading a Chinese Grand Prix sprint from start to finish in only his second race for the Italian team on Saturday.
World champion Max Verstappen put Red Bull on pole position for the Saudi Arabian Grand Prix in dramatic style on Saturday.
Drivers returned to the pits, under a darkening sky, with engineers using torches in the garages before back-up generators came on and the session resumed about an hour later.
McLaren's Lando Norris swept to victory in a wet and wild Australian Grand Prix on Sunday, holding off defending champion Max Verstappen in a white-knuckle finish to a Formula One season-opener littered with crashes and safety cars.
World champion Max Verstappen took pole position for the Japanese Grand Prix on Saturday, stunning the McLarens with a late flying lap.
McLaren's Oscar Piastri seized the first proper pole position of his Formula One career at the Chinese Grand Prix on Saturday with the fastest lap yet around the Shanghai International Circuit.
Lando Norris lucked in to win a rain-hit and crash-strewn Miami Grand Prix sprint race in a McLaren one-two on Saturday.
Australian Oscar Piastri won the Saudi Arabian Grand Prix on Sunday to take the lead in the Formula One world championship
'Tomorrow's going to be a challenge, I've never driven this car in the rain.'
Max Verstappen was surprised by his Red Bull car's performance as the F1 defending champion took third place in qualifying for the season-opening race.
A teary George Russell celebrated the first Formula One Grand Prix victory of his career in Brazil on Sunday in a one-two finish with Mercedes team mate and seven-times world champion Lewis Hamilton.
Oscar Piastri and Lando Norris topped the times for McLaren as four red flags, two caused by trackside grass fires, wreaked havoc with the second practice session for the Japanese Grand Prix on Friday.
McLaren's Lando Norris took an emphatic pole position at the Sao Paulo Grand Prix on Sunday after Red Bull rival Max Verstappen qualified only 17th in a wet and crash-strewn session at Interlagos.
Carlos Sainz completed a double race distance for previously struggling Williams and pushed his Ferrari successor Lewis Hamilton off the top of the testing
But there were no bold statements on race day as he struggled to take a point and his team mate Charles Leclerc laboured to an eighth-place finish.
McLaren's Oscar Piastri celebrated pole position for the Bahrain Grand Prix, his 50th Formula One race, while dejected championship-leading teammate Lando Norris qualified sixth and said he had been "clueless on track".
Britain's George Russell will stand in for Lewis Hamilton at Mercedes for Sunday's Sakhir Grand Prix after being released by Williams.
In the constructors' standings, Ferrari closed the gap to McLaren to 24 points.
Norris's teammate Oscar Piastri, who spun off and finished ninth in his home race last Sunday after starting on the front row and challenging for the lead, has another good chance to rev up his season.
Seven-times Formula One champion Lewis Hamilton said he was excited for 2025 and ready to embrace change at Ferrari as he updated his LinkedIn profile with the hashtag 'newjob'.
Verstappen crossed the line in his Red Bull for his 64th Grand Prix victory to a huge ovation from the 115,000 crowd some 1.4 seconds ahead of McLaren's championship leader Lando Norris in second place.
Lewis Hamilton smashed the Shanghai circuit lap record on his way to a stunning first sprint race pole for Ferrari in China on Friday.
George Russell will replace Valtteri Bottas and race for Mercedes next season in an all-British line-up with seven times world champion Lewis Hamilton, the Formula One team said on Tuesday.
McLaren's Lando Norris hailed the best qualifying lap of his career after beating F1 leader Max Verstappen to pole position at the US Grand Prix.
Ferrari's underwhelming pace was a surprise to their rivals and to Hamilton, whose quickest lap in the final qualifying session (Q3) was nearly nine-tenths of a second slower than Norris's.
Red Bull's Max Verstappen won the Qatar Grand Prix on Sunday with the battle for the constructor's title going down to next weekend's Abu Dhabi season-ender
McLaren's Lando Norris took pole position for the Qatar Grand Prix sprint on Friday with Mercedes' George Russell denying the Formula One leaders a front row.
Lando Norris won the season-ending Abu Dhabi Grand Prix on Sunday to deliver McLaren's first Formula One constructors' title since 1998