NASCAR started in 1949 and has grown into one of the most popular sports in the world. Learn everything there is to know about NASCAR on the NASCAR Channel.

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Why doesn't NASCAR race in the rain?

You don't like driving in the rain, so imagine the difficulties that a NASCAR driver faces racing at triple-digit speeds with no windshield wipers. In fact, NASCAR usually cancels races in wet conditions for safety reasons.

What are marbles and why do NASCAR drivers try to avoid them?

Ever wondered why NASCAR drivers sometimes weave their cars from side to side for several laps during races? They're trying get rid of marbles, little balls of rubber tire detritus that can prove dangerous to drivers.

How much does a NASCAR race car cost?

NASCAR racing has changed since the days of street-legal cars driving on dirt tracks. Today's teams have budgets of $20 million or more. Just how much of that is spent on cars?

How the NASCAR Schedule Works

In the past, the NASCAR schedule included more than 60 races. Today, the number of NASCAR races has been reduced to fewer than 40. Why does it seem like NASCAR racing is a year-round sport?

How does a NASCAR driver communicate with the pit crew?

Wouldn't it be great to listen in on your favorite NASCAR driver's race day strategies? You'd be sort of like a fly on the wall -- except the wall would be moving at 200 mph.

How NASCAR Prize Money Works

We see it so often -- the winner of a race holds an oversized million-dollar check high in the air in victory lane. But where does all of this prize money come from, anyway?

How NASCAR Drafting Works

If you're a fan of NASCAR racing, then you've probably heard about the draft. But what's really happening out there on the track? And why do some drivers claim to "see the air?"

How NASCAR Pre-race and Post-race Inspection Works

For NASCAR inspectors, race day begins long before the first fans arrive -- and they typically don't get to go home the moment the race is over, either. So what are these guys up to?

How NASCAR's Car of Tomorrow Works

NASCAR's Car of Tomorrow is loaded with improved safety features designed to keep the driver safe during high-speed impacts. Sounds great, right? Well then why are so many NASCAR drivers and fans resisting the change?

How NASCAR Broadcasts Work

Fast cars, loud noises, and larger-than-life superstars: NASCAR's got it all. But to keep a NASCAR fan, TV networks and radio stations have to bring their A-game to the broadcast.

How NASCAR Racing Grooves Work

You know what it feels like when you're in the groove, right? Well, NASCAR drivers not only know what being in the groove feels like -- they know what the groove looks like, too.

10 Essential Tools of NASCAR Pit Crew Members

Every profession has its own set of required tools. Dentists, mechanics, landscapers, TV repairmen -- they all have specific tool needs. But what essential tools does a NASCAR pit crew use on race day?

How does a NASCAR track physically change during a race?

Considering that more than 40 cars spin around a NASCAR track at triple-digit speeds on race day, it shouldn't surprise you that the asphalt covering the track undergoes several physical changes during a rae.

What is hypermiling?

Considering the volatility of gas prices these days, hypermiling seems like a sensible way to drive. Who knew it was so easy to double your gas mileage?

Why is a NASCAR race car called "loose" or "tight?"

A loose or tight NASCAR race is something that drivers and crew chiefs need to correct quickly. The problem is due to oversteering and understeering the race car and can cost drivers valuable time -- and easily lead to crashes.

Is it easy to cheat in NASCAR?

In the early days of NASCAR, there were few rules for teams to follow. Because of this, drivers pushed the envelope and tried every trick in the book. Now, there are more rules, but is it still easy to cheat?

How NASCAR Wedge Adjustments Work

You're enjoying the NASCAR viewing party, but some of the lingo leaves you clueless. You wonder what that wedge adjustment is that the announcer mentions during those pit stops.

Why is it so hard to understand the NASCAR penalty system?

NASCAR fans might end race day either in a celebratory mood or completely dejected. And those feelings might have nothing to do with what happened out on the actual track. So what could cause fans to lose their cool even before a race begins?

Why is camber so critical in NASCAR?

It's a serious thing when the rubber meets the road. That's why routine wheel alignments are so important to a car's performance. But how could camber play such a big role in NASCAR races?

How a NASCAR Sponsorship Works

Fans of NASCAR know that corporate sponsorship logos are everywhere -- on the cars, on the drivers and a variety of other odd places, too. But do you know how much a NASCAR sponsorship costs?

How NASCAR Tire Technology Works

Since 1997, Goodyear Racing Eagles have been fitted to every race car or truck, at every NASCAR race, in the Sprint Cup Series, Nationwide Series and Craftsman Truck Series. What makes Goodyear Racing Eagles special?

NASCAR Pictures

NASCAR can best be described as organized chaos at 200 miles per hour. This collection of images highlights some of the most exciting aspects of NASCAR.

How NASCAR Works

NASCAR is the most popular spectator sport in the United States -- and it's come a long way since the days of wild and woolly stock-car races on backcountry roads.

NASCAR Race Car Drivers

From the dirt tracks of Daytona Beach to Talladega's superspeedway, NASCAR drivers have risked their lives in the name of speed and competition. Learn about the legends of NASCAR, complete with bios, stats and photos.

Mark Martin

Mark Martin has displayed incredible tolerance for pain, continuing to race despite broken bones, intense back pain and the death of his father, stepmother and half sister in a plane crash. Read more about this NASCAR veteran.