NASA engineers have pushed experimental Mars helicopter rotors past the speed of sound, a breakthrough that could eventually ...

NASA has pushed Mars helicopter rotor blades past Mach 1, a step toward future aircraft that could carry heavier science payloads.

The rotor of the helicopter from last week's deadly crash has been retrieved from the Hudson River, four days after the devastating accident that killed all six people on board, according to a ...

Before the helicopter became airborne, the fuel control level was not locked into the flight position, and neither the main rotor revolutions per minute (RPM) nor the engine RPM a ...

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 ...

Despite being completely different types of aircrafts, it's common to wonder if helicopters are powered by jet engines ...

A little more than three years since NASA’s Ingenuity helicopter ended its pioneering mission at Mars, engineers at the Jet Propulsion Laboratory in California are designing next-generation Martian ...

A rendering of the mid-air deployment of one of the SkyFall copters. (NASA Jet Propulsion Laboratory/AeroVironment, Inc.) ...

Engineers at NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California, have demonstrated that the blades of their ...

NEW YORK -- The rotor of the helicopter from last week's deadly crash has been retrieved from the Hudson River, four days after the devastating accident that killed all six people on board, according ...