One of NASA's biggest space missions is in deep trouble. The Mars Sample Return mission is currently on track to be one of the biggest undertakings the space agency has ever attempted, but the issues ...

"The bottom line is that $11 billion is too expensive, and not returning samples until 2040 is unacceptably too long." When you purchase through links on our site, we may earn an affiliate commission.

NASA has announced an overhaul to its plan to bring samples from Mars back to Earth. Agency officials have decided to scrap parts of their original plan to cut down on the difficulty and cost. Instead ...