Astrobiology, the study of life in the Universe, is sometimes criticized as being a fashionable label with which to rebrand existing research fields. Its practitioners, however, argue that the discipline provides a broad framework for developing a better understanding of the frontiers of biology. A biologist and a planetary scientist offer their views.
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Lazcano, A., Hand, K. Frontier or fiction. Nature 488, 160–161 (2012). https://doi.org/10.1038/488160a
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