Is life most likely to emerge at the present cosmic time near a star like the Sun? We consider the habitability of the Universe throughout cosmic history, and conservatively restrict our attention to the context of "life as we know it" and the standard cosmological model, LCDM.
The field of astrobiology has made tremendous progress in modelling galactic-scale habitable zones which offer a stable environment for life to form and evolve in complexity.
The Astrobiology Program of NASA's Science Mission Directorate (SMD) is joining with the Directorate for Biological Sciences (BIO) and the Directorate of Geosciences (GEO) of the National Science Foundation to sponsor an "Ideas Lab" activity on the Origins of Life.
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