IndyCar teams have spent the past year trying to learn everything they can about the hybrid engines introduced midway through last season.

The rebuilt and recently reopened museum at Indianapolis Motor Speedway is more than just a bunch of old cars and artifacts hidden behind glass.

Will Power and Josef Newgarden were among the fastest cars in Indianapolis 500 practice, hours after their teams were penalized for illegal modifications in qualifying.

Helio Castroneves, at age 50, is still chasing history at Indianapolis Motor Speedway.

Kyle Larson experienced his first crash at Indianapolis Motor Speedway on the second day that Indianapolis 500 drivers participated in open testing on the 2.5-mile oval.

Two-time defending Indianapolis 500 champion Josef Newgarden waited nearly three hours to start turning his first test laps Wednesday.

It’s NASCAR’s turn to throw its version of the Super Bowl, and the Daytona 500 is trying hard to match the hype after being delayed for hours due to rain.

Welcome to the Daytona 500.

Four-time Indianapolis 500 winner Helio Castroneves will race in the Daytona 500 as a special 41st driver under a new rule that allows for a “world-class driver” to receive a provisional spot.

They are the signature spectacles in each racing series, the Indianapolis 500 and all its pageantry with more than a century of tradition and milk drinking in open wheel racing, and the Daytona 500, NASCAR’s season opener run under the Florida sun at the unofficial home of the “birthplace of speed.”.

Chase Briscoe led a banner night for Toyota in qualifying for the Daytona 500 by winning the pole for NASCAR’s “Great American Race.”.

Denny Hamlin led a trio of Toyota drivers — the manufacturer claimed five of the top six spots — in the opening practice for the Daytona 500.

A controversial new NASCAR rule designed for “world-class drivers” could give Helio Castroneves an automatic berth into the Daytona 500.

The Daytona 500 has NASCAR’s most unusual — and complicated — qualifying format.

Justin Marks had grandiose ideas when he bought Chip Ganassi Racing ahead of the 2022 NASCAR season.

Four-time Indianapolis 500 winner Helio Castroneves claimed one of the four open spots in the season-opening Daytona 500 as part of a slew of rule changes NASCAR announced Friday.

Four-time Indianapolis 500 winner Helio Castroneves will attempt to make his NASCAR debut in next month’s Daytona 500 with Trackhouse Racing.

Scott Dixon won a record fourth Detroit Grand Prix, outlasting the competition in a caution-filled race on Sunday to become the first IndyCar driver with two victories this season.

Pato O’Ward had tears triggered following the Indianapolis 500 after pushing the No. 5 Honda to the limits only to come up just short, getting passed two corners from the finish by Josef Newgarden.

As Roger Penske investigated the cheating incident that cost Josef Newgarden his IndyCar season-opening victory, never did Newgarden worry about his job security at Team Penske.

Josef Newgarden is focused only on defending his Indianapolis 500 victory.

Felix Rosenqvist will end his tenure with Arrow McLaren Racing by starting from the pole in the IndyCar Series season finale at Laguna Seca.

Four-time Indianapolis 500 winner Helio Castroneves will continue to chase a record-breaking fifth win as a minority owner with Meyer Shank Racing.

Simon Pagenaud was not cleared to run Sunday's IndyCar race at Mid-Ohio after a spectacular wreck in practice in which his car flipped seven times through a gravel trap.

Agustín Canapino will be carrying the hopes of Argentina when he starts the Indianapolis 500 on Sunday.

Marcus Ericsson's life changed dramatically when he won last year's Indianapolis 500 and resurrected his career.

Marcus Ericsson outlasted the carnage on the downtown streets of St. Petersburg for a surprise victory for Chip Ganassi Racing.

Acura dominated the debut of hybrid engines in North American sports car racing with a 1-2 finish Sunday at the Rolex 24 at Daytona.

Michael Shank bookended last season with a win in the season-opening Rolex 24 at Daytona and closed the year with the IMSA championship.

David Malukas put on a show Saturday night in IndyCar's final oval race of the season.

Kimi Raikkonen will take a break from his retirement to return to racing this weekend in the NASCAR race at Watkins Glen International in upstate New York.

Kyle Busch is getting antsy about not having a contract next season.

The IndyCar championship race faces a major shakeup at Mid-Ohio Sports Car Course, where the top title contenders struggled and Pato O’Ward won the pole to match a series mark set in 1961.

Josef Newgarden earned a $1 million bonus that rewards his versatility by winning on Sunday at Road America.

Helio Castroneves won his first race on Detroit's Belle Isle and celebrated that victory by exiting his car and climbing one of the fences surrounding the temporary street course.

Felix Rosenqvist sensed Swedish racing fans were increasingly becoming interested in IndyCar racing three years ago.

Marcus Ericsson had to leave Formula One to become a global superstar and achieved the goal Sunday when the Swedish driver won the Indianapolis 500.

Jimmie Johnson felt at home making his way around Indianapolis Motor Speedway on the opening day of preparations for the Indianapolis 500.

Will Power used the final lap of qualifying Friday to leapfrog five other drivers and win the pole for the IndyCar Grand Prix.

IndyCar veteran Stefan Wilson will return to the cockpit for this month's Indianapolis 500.

Alexander Rossi destroyed his car in Saturday morning practice at Barber Motorsports Park.

Jimmie Johnson posted the fastest lap of his career Thursday.

Jimmie Johnson looked like a natural at the first of this week's two Indianapolis 500 test sessions.

Colton Herta broke the Long Beach track record when qualifying and it gave the California native the start from the pole for his home IndyCar race.

Josef Newgarden used the nonexistent high line to pass Scott McLaughlin in the final turn at Texas Motor Speedway and steal the IndyCar race his teammate had dominated.

IndyCar’s long relationship with Texas Motor Speedway is at a crossroads headed into the 35th race at the track that has always embraced the open-wheel series.

Helio Castroneves considers the IndyCar opener in St. Petersburg among his favorite races.

Roger Penske picked up a third Daytona 500 win last weekend on his 85th birthday.

Jimmie Johnson and Colton Herta teamed to give Team USA a surprise second-place finish in the Race of Champions Nations Cup in Sweden.

Helio Castroneves scored his third crown jewel victory in a calendar year when he closed out the Rolex 24 at Daytona to give team owner Michael Shank his second win in North America's most prestigious sports car race.

Al Unser, one of only four drivers to win the Indianapolis 500 a record four times, died Thursday following years of health issues.

The IndyCar Series speeds into its season finale at Sunday riding a myriad of gains that have America's top open-wheel series feeling confident about its future.

Colton Herta cruised to an easy victory at Laguna Seca on Sunday while Alex Palou moved one race closer to the IndyCar championship.

Alex Palou recovered from first-lap trouble at Portland International Raceway to win for the third time this season and reclaim the IndyCar points lead.

The IndyCar championship flipped leaders Saturday night when Alex Palou was collected in an early three-car accident that moved Pato O’Ward to the point following O’Ward’s runner-up finish to winner Josef Newgarden at World Wide Technology Raceway.

The Indianapolis Motor Speedway will be the busiest track in motorsports this weekend.

Helio Castroneves earlier this year became the first foreign-born, four-time winner of the Indianapolis 500.

Josef Newgarden is the toast of Nashville.

Helio Castroneves might skip trying to scale the Korean War Veterans Memorial Bridge the way he climbs fences when he wins at other race tracks.

There was a special gathering in Indianapolis this week: Helio Castroneves, A.

IndyCar has signed a multi-year extension with NBC Sports that guarantees a majority of the racing schedule will air on its main NBC channel.

Michael Shank will use IndyCar's monthlong break to work on the long-term future of his race program.

Helio Castroneves is trying to get back into the IndyCar Series fulltime.

With a sold-out crowd of 135,000 people, the Indianapolis 500 became the largest sporting event since the COVID-19 pandemic began in March 2020.

The Indianapolis 500 has welcomed back 135,000 fans, the most at any sports event in the world since the pandemic began 18 months ago.

Helio Castroneves has joined the exclusive club of four-time Indianapolis 500 winners.

Scott Dixon slammed the brakes on IndyCar’s current youth movement by winning his fourth Indianapolis 500 pole by a mere 0.03 seconds in qualifying.

Team Penske had an uncharacteristically slow first day of Indianapolis 500 qualifying and Will Power will have to avoid being bumped from the 33-car field when the lineup is finalized.

When Helio Castroneves arrived at for testing Thursday at Indianapolis Motor Speedway, he went right to Team Penske garage, said hello and quickly moved along.

Wayne Taylor left General Motors after 28 years at the end of last season to become a factory Acura program. "We won it with Ricky, and Jordan won the GT class with Corvette, and then the Wayne Taylor Racing program won it overall. Albuquerque won in 2018 driving a Cadillac; Ricky Taylor won in a Cadillac for his father's team in 2017. AdWhen Taylor switched to Acura, he released van der Zande, who was grabbed by Ganassi as the team returned to sports car racing after a one-year hiatus. “Looked like we had the race won right there.

The seven-time NASCAR champion is beginning a new chapter of his career — at 45 years old — in unfamiliar race cars. He was tabbed to start the most prestigious sports car race in America for his Action Express team and Johnson had just one goal for his first stint in the Cadillac. 48 over to teammate Simon Pagenaud and then turned to Kamui Kobayashi, the two-time reigning winner of the Rolex 24, for an animated debrief. AdElliott seemed despondent after his first run in his first sports car race. 31 Action Express entry had slipped to last in his class after the driver change between Elliott and Mike Conway.

CHARLOTTE, N.C. – Formula One driver Kevin Magnussen will move to the IMSA sports car series in 2021 driving for Chip Ganassi Racing. “If you are in professional racing anywhere in the world, you know the name Chip Ganassi and what it represents in motorsports,” Magnussen said. Van der Zande is a two-time Rolex 24 at Daytona winner, most recently in January when teamed with Ganassi driver Scott Dixon. Lineups for the 2021 IMSA season are rapidly coming together with a flurry of announcements over the last week. “We have not been shy about our attack on the IMSA GTD championship for 2021,” team co-owner Jimmy Vasser said.

Marco Andretti packs up his gear following practice for the Indianapolis 500 auto race at Indianapolis Motor Speedway in Indianapolis, Thursday, Aug. 13, 2020. (AP Photo/Michael Conroy)INDIANAPOLIS The horsepower boost sent speeds skyrocketing over 233 mph early on Fast Friday at Indianapolis Motor Speedway. The Andretti Autosport cars quickly jumped to the top of the board with Marco Andretti logging a lap of 233.491 miles per hour (375.77 kilometres per hour). It's the fastest lap in a practice which is considered unofficial since Sebastien Bourdais went 233.116 mph in 2017. The first thing you need is speed and then you need to put the four laps together," Andretti said.

Scott Dixon, of New Zealand, pulls out fo the pits during a practice session for the Indianapolis 500 auto race at Indianapolis Motor Speedway, Wednesday, Aug. 12, 2020, in Indianapolis. (AP Photo/Darron Cummings)INDIANAPOLIS Scott Dixon, already off to a tremendous start to the IndyCar season, quickly set the pace on the first day of practice for the Indianapolis 500. Dixon turned a lap of 224.047 mph (360.57 kph) around Indianapolis Motor Speedway in the two-hour session for veterans. He has won the Indy 500 once in his career. The day was scheduled to conclude with a 150-minute open practice session.

Two-time and defending champ Josef Newgarden, who won the second race of the Iowa doubleheader, has yet to turn 30. Pagenaud, who like Newgarden drives for Team Penske, won the first Iowa race on Friday night. The natural ebb and flow of sports dictates there must be a wave of youngsters waiting to replace them. Not surprisingly, Ferrucci was fired by his Trident Racing team. Take the doubleheader this weekend, where Herta and VeeKay were in contention Friday night before a caution flag waved.