self-propelled device

NASA scientists are testing robots capable of being dropped from a height of almost 100km and still landing gently on any surface of the celestial body.

To replace the two predecessors, Spirit and Opportunity robots, who have been diligently exploring the red planet for years, NASA has continued to send Curiosity robots to Mars to

The most advanced and expensive American exploration robot launched on Mars yesterday to find evidence of the existence of life on the red planet.