News Methane detected on Mars; origin not yet known 24 June 2019 Astronomy Now NASA’s Curiosity Mars rover detects methane; while a possible indicator of biological activity, the source is not yet known.
News Curiosity rover finds more evidence of Martian habitability 8 June 2018 Astronomy Now NASA’s Curiosity Mars rover has detected a wide range of organic compounds on the red planet along with signs of seasonal variations in background methane levels, a possible indicator of biological activity.
