Most people think a powerless helicopter drops straight out of the sky. In reality, it autorotates—using free-spinning blades ...

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 ...

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 ...

The number of blades a helicopter has is very important because it speaks to what the helicopter was designed to do. For example, adding more blades can significantly improve a helicopter's ...

An Airbus Helicopters H175 parked on an oil platform had four main rotor blades snapped off in strong winds after a malfunctioning rotor brake left the crew unable to tie down the still-rotating ...

PHOENIX (AP) — Federal authorities investigating a fatal crash last month near Phoenix say the helicopter went into a near vertical descent for unclear reasons when it was about to land. The National ...

A New York City sightseeing helicopter carrying six people – including three children – broke apart in midair before plunging into the Hudson River on Thursday afternoon. A Spanish executive from ...