09/03/2026
Mounting evidence suggests that the ingredients for life may exist in the highly acidic clouds that blanket Venus. In a new paper published this week in Proceedings of the National Academy of Sciences, researchers have shown that short peptides can not only remain stable in these conditions, they can also fold into shapes that may allow them to have biological functions.
“Before this, people thought that peptides couldn’t survive in sulfuric acid, so showing peptides are not only stable, but also fold, is a really big deal,” says Prof. Sara Seager, one senior author of the study.
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MIT researchers found that in extremely acidic conditions, such as those in Venus’ clouds, short peptides can remain stable and fold into shapes that may allow them to have biological functions.