This article highlights five of the worst tanks ever made due to various shortcomings. The main battle tank may be an old concept, but armored vehicles are still important in modern warfare.

The four-cylinder engine is known for its efficient fuel economy, but some dropped the ball on reliability. Here are the ones ...

We’re diving into the 20 worst Shark Tank deals ever. These are the pitches that left the sharks shaking their heads and the viewers cringing. From bizarre products to overconfident ...

"Shark Tank" investor Mark Cuban rose from his seat and shook each of their hands. "Worst presentation ever," he told them. Cuban recently told CNBC that the RoloDoc pitch from season five was ...

Hundreds of entrepreneurs have pitched their companies on "Shark Tank" since the show debuted in 2009, but some of the most memorable pitches are the worst ones. They stand out for different reasons.