Energy wiping out beings while preserving planet

I'm aware of hard radiations from space can wipe out life but I believe that would also causes the planet to be inhabitable for a period of time. Is there any other kind of energy that could destroy life without any "cool down" needed for new life to develop?

This energy could be known or theoretical or just plausible that spans entire galaxy if possible.

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Energy wiping out beings while preserving planet

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