WITH a helicopter-sourced engine boasting 2,000 horsepower, Rocketbilly Racing brings you the world’s first jet-powered smart ...

At 75 mph (121 kph) a cheetah stops accelerating. It's the fastest land animal in the world, running faster than most cars on a highway. But it is a snail compared to the speeds of a Red Bull RB21.

While the World War II era was the first time we saw fighter jet engines take to the sky, there were some earlier operational prototypes. Anselm Franz, an Austrian engineer, designed and fitted one of ...

There's no argument that helicopters are not the same as jets. From their vertical lift to their hovering abilities, helicopters serve a purpose uniquely their own. But that doesn't mean they aren't ...