david grinspoon

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    How NASA’s Mission to Pluto Was Nearly Lost

    The inside story of the New Horizons probe.

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    Why Most Planets Will Either Be Lush or Dead

    The Gaia hypothesis implies that once alien life takes hold, it will flourish.

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    The Romantic Venus We Never Knew

    Venus used to be as fit for life as Earth.

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    An Astrobiologist Asks a Sci-fi Novelist How to Survive the Anthropocene

    Kim Stanley Robinson imagines our future.