NASA's Mars sample return plan is getting a revamp: 'The bottom line is that $11 billion is too expensive' 

 NASA is asking its various research centers as well as private industry for new ideas about how to get Mars samples back to Earth relatively quickly and cost-effectively. 

https://cdn.mos.cms.futurecdn.net/BRmR6J25JhBehfYTbwiHMJ.jpg

https://www.space.com/nasa-revamp-mars-sample-return-plan