NASA is planning its first-ever mission to bring dirt and rocks from Mars back to Earth — but before that momentous event happens, the space agency needs to figure out exactly how to protect our home planet from any alien microbes that might hitch a ride.
This week, the agency is holding public meetings and looking for feedback on its plan to land a spacecraft carrying Martian specimens at a U.S. Air Force testing range in Utah in the early 2030s.
