Back to today’s briefing

Story perspectives

Venus Clouds Reveal Hidden Water, Life Potential Uncovered

10/2/2025

37 3

Summary

Story summary

A reanalysis of Pioneer mission data shows Venus' cloud layers contain significant water, challenging the view that sulfuric acid dominates.
Led by Cal Poly Pomona researchers, the study used 1970s data.
Findings show water is bound in hydrates, comprising about 62% of cloud aerosols.
Sulfuric acid remains; ferric sulfate and iron were detected, suggesting life potential in clouds.

1 of 1

Story summary

A reanalysis of Pioneer mission data shows Venus' cloud layers contain significant water, challenging the view that sulfuric acid dominates.
Led by Cal Poly Pomona researchers, the study used 1970s data.
Findings show water is bound in hydrates, comprising about 62% of cloud aerosols.
Sulfuric acid remains; ferric sulfate and iron were detected, suggesting life potential in clouds.