PBS Space Time PBS Space Time

Is There Life on Mars?

Oct 26, 2026 · 17m

Summary

This episode explores the long history of the search for life on Mars, from early telescopic observations to modern robotic missions. The hosts discuss the recent discovery of a subsurface liquid water lake and the ongoing silence of the Opportunity rover. They review past false alarms, including the Viking lander results and the famous Martian meteorite, while highlighting new evidence of methane and organic molecules. The discussion concludes with the scientific significance of finding extraterrestrial life and upcoming missions by NASA and ESA.

Topics discussed

Sponsor segments: LinkedIn Hiring Pro and PayPal Introduction: Opportunity rover silence and Mars life search Recent Mars discoveries and upcoming 2020 missions Early observations by Huygens, Moraldi, and Herschel Schiaparelli's canali and the mistranslation to canals Sponsor segments: LinkedIn Ads and Kuvasier Cognac Percival Lowell's canal theory and cultural impact Viking lander experiments and inconclusive results The Martian meteorite ALH84001 and fossil claims Mars rovers: Spirit, Opportunity, and water evidence Opportunity's final days and sponsor segments Phoenix lander findings and Curiosity rover data 2018 discoveries: Methane and organic molecules Discovery of underground lake under South Pole Conclusion: Plausibility of life and future outlook Outro: Travel notice and final sponsor segments
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