NASA collected Mars rocks to haul to Earth. It still doesn’t know how.
For more than a year, scientists and aerospace engineers have been awaiting NASA’s decision on how to rescue the troubled ...
NASA studies options to reign in cost of flagship Mars Sample Return mission
NASA hopes a revised plan will get Mars samples back to Earth faster and cost less than the agency's original plan.
NASA collected potential evidence of life on Mars. Now it’s pitching new plans to retrieve the cache
NASA has arrived at two ways of returning samples collected on Mars to Earth. Now, the agency will test the options to see if ...