The rotor blades that will carry NASA's next-generation helicopters to new Martian heights broke the sound barrier during ...

Asking whether a chopper can lift a bulldozer may sound preposterous at first, because the physics just don't seem possible. How can a helicopter lift a massive bulldozer using just the lift generated ...

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

Helicopters stand among the many reasons why aviation is as important as it is today. These aircraft occupy various niches worldwide, ranging from extensive military applications, such as helicopters ...