NASA wanted to find out whether the Mars 2020 rover can truly drill for samples and look for signs of life at the same time. So, a team of scientists spent the whole February testing tools using a practice rover called the KREX-2 in one of the driest...
https://www.engadget.com/2017/03/13/...tacama-desert/
https://www.engadget.com/2017/03/13/...tacama-desert/