In 1971, the Soviet Union unveiled the Mil V-12, a helicopter so massive it stunned the world. Capable of carrying nearly 200 passengers and setting lifting power records that still stand today, it ...

We pulled up to an RC airfield in St. George and the lineup was unreal—turbine helicopters and jets that look full-size once ...

An astrophysicist estimated that Santa would need to travel at roughly Mach 3,000 to visit an estimated 91.8 million children ...