Alien life on most exoplanets likely dies young - In our "Gaian Bottleneck" model, planets need to be inhabited in order to remain habitable. So even if the emergence of life is common, its persistence may be rare

See the source article by following the link below:
Alien life on most exoplanets likely dies young - In our "Gaian Bottleneck" model, planets need to be inhabited in order to remain habitable. So even if the emergence of life is common, its persistence may be rare