Life on other planets would likely be brief and become extinct very quickly, say astrobiologists from ANU Research School of Earth Sciences.
In research aiming to understand how life might develop, the scientists realised new life would commonly die out due to runaway heating or cooling on their fledgling planets.
"The universe is probably filled with habitable planets, so many scientists think it should be teeming with aliens," said Dr Aditya Chopra, lead author on the paper, which is published in Astrobiology.
"Early life is fragile, so we believe it rarely evolves quickly enough to survive." [...]
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