The origins of military helicopters go back to the 1940s when the U.S. Army appointed aviator Igor Sikorsky to build a more advanced version of the VS-300, his first model. This new aircraft, known as ...

How do helicopters fly? They face the same forces that planes do, but they have a special feature to help them hover and go where no plane can. Find out more. Science Trek is available to stream on ...

If you've ever watched a helicopter lift off the ground, you've probably noticed that they always pitch forward, tossing their nose toward the ground. This isn't by accident — in fact, it's crucial to ...