Bionic mosquito drone is designed to carry out battlefield reconnaissance missions without the risk of detection ...

In a big wake-up call for its military rivals, China has developed a spy drone the size of an insect that can fly undetected ...

The micro-drone appears to be roughly the size of a human fingernail and features tiny, leaf-like wings and thin, wiry legs.

China's mosquito-sized drone mimics real insects for stealth surveillance. A leap in micro-robotics, it raises major concerns.