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Gliese 581e (foreground) is part of a system of planets around a red dwarf sun that may include a body orbiting in the habitable zone.
May 6, 2014 When we think of life, we think of the Earth. But the universe may have other ideas. Commentator Adam Frank considers the case for life on planets around M-dwarf stars.
Even if we find other life out there, in the depths of space, life here will still be a rare gem that must be worshipped and preserved at all costs.
October 16, 2013 The Earth has existed for nearly 5 billion years and, to this point, no other forms of life have been identified in the seemingly boundless expanse of outer space. Commentator Marcelo Gleiser says this simple fact has deep implications for who we are and how we should treat life here on our home world.
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