Uncrewed spacecraft
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Uncrewed spacecraft or robotic spacecraft are spacecraft without people on board. Uncrewed spacecraft may have varying levels of autonomy from human input, such as remote control, or remote guidance.
A replica of Sputnik 1 at the U.S. National Air and Space Museum
A replica of Explorer 1
Robotic rover
Progress M 06M
Mars Exploration Rover
Videos
NASA's Mars Exploration Rover mission was a robotic space mission involving two Mars rovers, Spirit and Opportunity, exploring the planet Mars. It began in 2003 with the launch of the two rovers to ex
Uncrewed spacecraft
…important for distant probes where the light travel time prevents rapid decision and control from Earth. Newer probes such as Cassini–Huygens and the Mars Exploration Rovers are highly autonomous and use on-board computers to operate independently for extended periods of time. A space probe is a robotic spacecraft that does…
Artist's conception of MER rovers on Mars
Launch of MER-A Spirit
Launch of MER-B Opportunity
Spirit and Opportunity by the numbers