The Mars Sample Return effort was billions of dollars over budget and not expected to return to Earth with its samples until 2040. By Kenneth Chang Last year, Kenneth Chang wrote about a Martian rock ...
NASA collected potential evidence of life on Mars. Now it’s pitching new plans to retrieve the cache
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Two new potential ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback