(CNN) -- Pizza places have always been experts when it comes to delivery, flexing with remote drop-offs and robot delivery cars. But now they're facing a problem: not enough drivers. In early March, ...

It’s National Pizza Week—a tribute to late college nights, birthday parties and slices eaten straight from the box while running errands. In the U.S. alone, we eat roughly 4 billion pizzas a year. And ...

The headlines are not kind to pizza right now. Pizzerias have fallen from Americans' favorite restaurant category to sixth place, trailing coffee shops and Mexican restaurants. Restaurant counts have ...