Posts by Dr Janusz Petkowski and Prof. Sara Seager

Venus Life Finder Mission Study

The 18-month MIT-led Venus Life Finder Mission Study is now complete. The Venus Life Finder Missions are a series of focused astrobiology mission concepts to search for habitability, signs of life, and…
Venus Life Finder Mission Study

Venus Phosphine Update

One year after the announcement of phosphine (PH3) gas in the Venus atmosphere (1), the discovery remains highly controversial. The original PH3 announcement is based on a single-millimeter wavelength absorption…
Venus clouds

Did Venus ever have oceans?

Imagine our sister planet Venus billions of years ago being an ocean-filled world like Earth is today. The thinking is that at some point Venus underwent a “runaway greenhouse” where…

Are Venus’ cloud layers too dry for life?

Scientists have speculated about life in the Venus clouds for over half a century. In theory the conditions for life are met: an energy source, the right temperature for molecules,…
venus life

What is the source of PH3 on Venus?

The source of phosphine (PH3) on Venus is unknown. There could be an as yet unknown geochemistry or photochemistry process. Or, there could possibly be life in the Venus cloud…
venus volcano
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