Helicopters are marvelous pieces of engineering, providing a live demonstration of the laws of physics as they carry us into the skies. With metal or composite blades angled just right and spinning at ...

Officials with the National Transportation Safety Board said Friday that they are investigating the possibility of a bird strike in the helicopter crash Thursday that killed six people. It’s one of ...

German researchers believe the addition of active twisting technology to helicopter main rotor blades can significantly improve performance while also cutting noise and vibration levels.