Specifically, the weird rock appeared near the Mars Rover ‘Opportunity’, which has been exploring the red planet since 2004.
Ending a seven-year mission, NASA has decided to cut off communications with the Mars rover Spirit. Data was last received from Spirit in March 2010, and it hasn’t been heard from since – the thinking is that the rover was damaged during the martian winter when there wasn’t enough solar power for its survival heaters to run.