Why do scientists treat the potential detection of DMS on K2-18b cautiously?

Answer

Further observations are needed to rule out unknown geological or chemical pathways

Scientists treat the DMS detection cautiously because further observations are needed to rigorously test the finding and rule out any unknown geological or chemical pathways that could produce the compound without biology being involved.

Why do scientists treat the potential detection of DMS on K2-18b cautiously?

#Videos

My Search for Proof Aliens Exist | Avi Loeb | TED - YouTube

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