DJR Team Penske have fired back at Red Bull Racing's challenge, with Supercars leader Fabian Coulthard and teammate Scott McLaughlin scoring a one-two finish in Darwin.

Nissan is looking to join Holden in Supercars' delayed move away from racing exclusively with V8 engines, which now is not happening until 2019.

After a long reign as the leading Falcon team in Supercars, Prodrive Racing has been forced to play second Ford fiddle following the emergence of DJR Team Penske as the main threat to Triple Eight Holden's dominance.

With a mixed start to the season behind him, defending Supercars champion Shane Van Gisbergen is poised to capitalise on his momentum in Darwin.

Lewis Hamilton has won the Canadian Grand Prix from Mercedes teammate Valtteri Bottas.

​Lewis Hamilton has a British passport, and lives in Monaco, but Montreal felt like home on Saturday as he celebrated his milestone 65th career pole position in Formula One.

Supercars is set to rule that this year's faster new tyres, which suffered a spate of high-speed failures at Phillip Island, are safe for the Bathurst 1000 in October.

Australia's leading race car driver says he is reconsidering road cycling as a training method because of the dangers cyclists face on the road, and has called on drivers to have respect for those on two wheels.

Formula 1's new masters are set to clear the way for the Australian Grand Prix to avoid clashing with the start of the AFL season.

• ANALYSIS

One thing is clear about Daniel Ricciardo's time at Red Bull - he's been willing to push his luck and take his chances. With his third podium in four years, it's also clear he has made Monaco his own. 

Kimi Raikkonen had a face that could curdle milk. The Finn tends to display roughly the same emotional spectrum as a block of ice but his expression on the podium was a diagram of rage as some crafty Ferrari tactics propelled Sebastian Vettel to the team's first Monaco Grand Prix win for 16 years.

New Zealand racing driver Scott Dixon has walked away from a spectacular, flying crash at the Indianapolis 500 while Australian Will Power also failed to complete after being involved in an earlier five-car crash.

Sebastian Vettel has won the Monaco Grand Prix ahead of Kimi Raikkonen and Daniel Ricciardo.

For the second successive year, Daniel Ricciardo's dreams of winning the Monaco Grand Prix have likely been shattered by an error on the part of his Red Bull Racing team.

Ferrari driver and Formula One championship leader Sebastian Vettel has obliterated his own lap record at the circuit de Monaco in Saturday morning practice to again be the fastest man on track ahead of afternoon qualifying.

Fernando Alonso's frustrations with his mis-firing McLaren may have resulted in him doing laps of an oval in America this weekend, but there's no place like "home" for Daniel Ricciardo at Monaco this weekend. 

His boss may say Ricciardo is going nowhere next year but the Australian says from Monaco that he expects a world title-winning car sooner rather than later.

​Daniel Ricciardo doesn't have an escape clause in his contract and will remain with Red Bull in 2018, team principal Christian Horner said.

Brad Markovic is having a crack at his first Asia-Pacific Championship race this weekend.