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The stars where "Project Hail Mary" takes place, and possibly the planets orbiting them, are very real. We’d expect nothing less from Andy Weir, whose reputation for scientific accuracy helped define ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new ...

Our Milky Way galaxy is immense, with some 100 billion to 400 billion stars. And we now know that most of those stars have planets. So where are the best places to search for alien life? Which ...