- NASA implements improvements to planetary protection guidelines for moon and Mars missions haveeruonline
- 'We are all Martians!': space explorers seek to solve the riddle of life on Mars The Guardian
- NASA Issues Two New Directives to Stop Humans Contaminating Mars And The Moon ScienceAlert
- We really, really can’t contaminate other planets with Earth microbes BGR
- A proposed new mission to Venus EarthSky
- View Full coverage on Google News