Into the Unknown - In Search of Life; featuring Dante Lauretta and Marvin Killgore @OSIRISRExMission
Into the Unknown - In Search of Life; featuring Dante Lauretta and Marvin Killgore @OSIRISRExMission
Uploaded November 2013 | Updated September 2026, 3 days ago
In this segment from the Discovery Channel documentary "Into the Unknown," host Josh Bernstein investigates the hypothesis of life coming to Earth from Mars. Dante Lauretta and Marvin Killgore help explain the nature of meteorites, the field of cosmochemistry, and what can be learned from these extraterrestrial pieces of the solar system.


Copyright Discovery Channel 2008
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Into the Unknown - In Search of Life; featuring Dante Lauretta and Marvin Killgore

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