China has developed a spy drone so small that it is almost impossible to detect. This micro-drone is only about 1.3 centimeters long, making it roughly the size of a mosquito. Unlike the buzzing ...

A new spy drone can stick to walls and carry out covert surveillance, then detach itself and fly away, leaving no sign that the targets were being bugged. As a new twist on the lurking ‘ambush drones’ ...

Last month, China unveiled a mosquito-like spy drone designed for covert military operations. The drone's size and weight could limit its uses on the battlefield, military analysts told BI. It could ...