One of the first “roller-coaster” rides in the U.S. was actually a short coal railway in Pennsylvania that hauled coal downhill between mines and used mules to bring the empty cars back up the hill.

Fourth- and fifth-graders from 23 Newport News elementary schools built roller coasters Friday with the help of an expert: Busch Gardens. Teams of students constructed ramps for marbles to travel down ...

SpaceRail Marble Roller Coaster Level 1.1 Build Review! Dan at Squirrel Stampede checks out and builds a Spacerail Marble Roller Coaster, much like the one from his past! Watch as Tiny Steel Marbles ...

Roller coasters rely on two types of energy to operate: gravitational potential energy and kinetic energy. Gravitational potential energy is the energy an object has stored because of its mass and its ...

More than two dozen members of the Girl Scouts of Central Maryland came to Johns Hopkins University's Homewood campus Saturday to design and build miniature roller coasters out of cardboard boxes, ...

Adam Hocherman has been making toys since 2008, but up until now, the products have been designed for young children. When he sold his company's line of Onaroo toys to a Wisconsin firm last year, it ...