You'll be surprised at how many fast food restaurants use the same brand of ketchup. But despite this, there is some variety. These are the most popular brands.

The Windy City restaurant offers the best value for diners, according to a new survey, besting big names like McDonald's, ...

Americans love chicken. Since it became the most consumed meat in the United States in the 1990s, chicken consumption has ...

Learn more about whether Six Flags Entertainment Corporation or Shake Shack Inc. is a better investment based on AAII's A+ Investor grades, which compare both companies' key financial metrics.

From fried burgers to milkshake and sandwich chains -- why international restaurants are flocking to an already crowded ...