Great Debates

  • The Great Exoplanet Debate, hosted by Astrobiology Magazine during the recent 2012 Astrobiology Science Conference, is now available for viewing online.
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  • At the most recent NASA Astrobiology Science Conference, a panel of scientists discussed different types of planets where we might find alien life. In the final segment of this series, the panelists express their hopes about discovering evidence for aliens in our galaxy.
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  • Generations
    At the most recent NASA Astrobiology Science Conference, a panel of scientists discussed different types of planets where we might find alien life. In part six of this series, the panelists answer audience questions about the origin and evolution of life elsewhere.
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  • Alien vs. Predator
    At the most recent NASA Astrobiology Science Conference, a panel of scientists discussed different types of planets where we might find alien life. In the fifth segment of this series, the panelists address questions from the audience about the search for life on Mars and
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  • Countdown to Alien Life
    At the most recent NASA Astrobiology Science Conference, a panel of scientists discussed different types of planets where we might find alien life. In part four of this series, the panelists discuss the time it will take for us to discover alien life in
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  • Technology Worlds
    At the most recent NASA Astrobiology Science Conference, a panel of scientists talked about planets where alien life might be found. In the third segment of this series, Jill Tarter describes different kinds of Technology Worlds.
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  • Life Above and Below
    At the most recent NASA Astrobiology Science Conference, a panel of scientists discussed different types of planets where we might find alien life. In the second part of this series, T.C. Onstott digs beneath the surface to look for life, and Peter Ward weighs
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  • Slime Worlds
    At the most recent NASA Astrobiology Science Conference, a panel of scientists discussed different types of planets where alien life might be found. In part one of this series, Seth Shostak reviews the search for extrasolar planets, and Tori Hoehler describes a place of "colorful
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  • Strange and Alien Forms
    The panelists discuss questions such as whether viruses are alive, and if there could be life on Saturn´s moon Titan.
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  • Debating Life´s Boundaries
    The panelists toss around the question of how to define 'life,' and wonder if we should even bother with definitions at all.
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