Six people died when a helicopter crashed into the Hudson River Thursday afternoon. One aviation expert says that the entire rotor assembly may have come off, causing the crash. The tragedy is the ...

A little over a century ago, the idea of flying would have been laughable to many. Nonetheless, flying is entirely routine for millions today, and much of the reason that planes and helicopters are ...

The main rotor of the doomed helicopter that crashed into the Hudson River was finally recovered Monday — which could provide crucial information as investigators continue to probe what caused the ...

Mars helicopter Ingenuity appears to be missing rotor blades in Perseverance rover imagery captured. The rover's SuperCam ...