If there is water on a planet does that mean there is life there?

Question: If there is water on a planet does that mean there is life there?
- Keywords:
  life,
  planet,
  space,
  water
Asked by drew521tars on 29 May 2025.
- Alistair Glasse answered on 29 May 2025:
  
  Water is pretty essential for life similar to life on Earth which is why we are interested in finding water on exo-planets. However, we think that the creation of life is a process with a low probability of success (definitely not 100 %!).

Question: If there is water on a planet does that mean there is life there?