A lunar quarantine facility to protect from alien microbes?
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We live in uncertain times. And please help EarthSky keep going. The authors of a newly released study are arguing for a lunar quarantine facility, to reduce the risk of biological contamination from one world to another.
Read their June 19, 2026, statement. With the Artemis program in full swing, NASA is currently targeting early 2028 for the launch and crewed lunar landing of the Artemis 4 mission. Many are even eyeing Mars and beyond.
Scientists are concerned that existing protections may not be enough to prevent alien microbes from hitching a ride back to Earth. In a peer-reviewed study published in the journal Ambio on May 28, 2026, the researchers wrote: Humanity is entering a new era of space exploration. But our planetary protection strategies have not kept pace with the risks associated with returning extraterrestrial samples to Earth.
The proposed facility would essentially act as a firewall between Earth and any potentially hazardous live organisms that could accompany returning future space missions.
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