Scientists propose that a moon base could act as an isolated first line of biological defense against extraterrestrial samples that might be harmful to Earth's biosphere.

Scientists call for a secure lunar quarantine facility for extraterrestrial samples: 'The moon may become humanity's first line of biological defense'

Source: space
Source Link: https://www.space.com/astronomy/moon/should-we-store-mars-samples-on-the-moon-to-keep-alien-germs-away-from-earth