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’ ...

In recent months, skies over eastern Germany have witnessed a surge in suspicious activity. Russian spy drones have been reported flying over critical sites such as military bases, transport routes, ...