Ask Ethan: Were Mars And Venus Ever Living Planets?

Possible life signs in the clouds of Venus: A new analysis of data from the 1978 Pioneer Venus mission, by researchers at Cal Poly Pomona, finds evidence not only for phosphine, but also possible chemical disequilibrium in Venus’ atmosphere, an additional possible sign of biological activity

Science, spacesuits, dehydrated food: Simulating Mars in the Utah desert

NASA's Insight Mars Lander Is 'in Crisis', And Has Entered Emergency Hibernation