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Khabre desk
Recent reporting, analysis and explainers from the astrobiology desk.
science
NASA-funded research reports that Incendiamoeba cascadensis can reproduce at 63°C in heated waters at California’s Lassen Volcanic National Park. The finding raises the known upper temperature limit for reproduction among eukaryotes.
science
NASA’s Perseverance rover found evidence that water altered rocks in Mars’ Jezero Crater on at least three separate occasions. The sequence includes carbon-dioxide-rich groundwater, a possible lake-related episode and later hot underground water.
science
NASA’s Perseverance rover found that the Margin Unit in Jezero Crater records at least three separate episodes of water-rock interaction, including a later episode involving heated underground water. The findings revise the picture of how water moved through early Mars.
science
A Nature Astronomy Comment reports that surveyed astrobiologists were more persuaded by evidence linked to Mars’s Cheyava Falls than by evidence associated with exoplanet K2-18 b.