Every year, hundreds of millions of people willingly climb into machines designed to make them scream. They are lifted to terrifying heights, dropped at incredible speeds, thrown around sharp turns, ...

Add Yahoo as a preferred source to see more of our stories on Google. Kids had the opportunity to build a model of a roller coaster, mimicking the plastic model built on the Tahlequah Public Library's ...

Amusement parks around the world are locked in a race to build the fastest, tallest and most terrifying roller coasters imaginable. Engineers are pushing the limits of speed, height and G-forces, ...