The sterile moon may still hold hints of how life began on Earth
Lunar south pole ice may be worth protecting even if contamination elsewhere isn’t a risk
![moon](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2020/01/112219_MT_50ya-moon_feat.jpg?fit=1028%2C579&ssl=1)
After decades of human and robotic exploration, we still haven’t found evidence that alien life ever existed on the moon.
NASA/Ames Research Center/Lunar Orbiter Image Recovery Project