Should SpaceX be allowed to contaminate Mars with Earth microbes?

The rise of the private space industry may mean allowing Earth microbes to escape to other worlds, but is it worth the risk?

Source:
https://www.newscientist.com/article/mg24432605-800-should-spacex-be-allowed-to-contaminate-mars-with-earth-microbes/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home