Helicopters have one of the most recognizable sounds in aviation. The signature "whop whop" or deep thumping sound announces its arrival long before it appears in the sky. It's a sound so iconic, it's ...

Lockheed Martin subsidiary Sikorsky has taken the next logical step in making a Black Hawk helicopter autonomous by not only installing the gear needed for self-flying, but by yanking out the entire ...

Helicopters on Mars may sound like something from a science fiction novel — or perhaps just a typical "Doctor Who" episode. But actually, they're not fully confined to the world of sci-fi; after all, ...