'A preemptive shield': Scientists propose moon quarantine to block alien species contamination

Scientists have proposed building a lunar quarantine facility to examine samples returned from Mars and other celestial ...
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Scientists say NASA should quarantine alien life on the moon before any space samples are brought back to Earth

As humanity prepares for a new era of space exploration, NASA and other space agencies are planning ambitious missions to Mars and other distant worlds that aim to bring back valuable rock, soil and ...