Tag Archives: habitability

How Often Does Life Emerge in the Universe?

Since the 1960s, the Drake Equation has been used to predict how many communicative extraterrestrial civilizations exist in the Milky Way galaxy. Along these same lines, a new formula seeks to estimate the frequency at which life emerges on a planet—a calculation that might allow us to figure out the likelihood of life arising elsewhere in the universe.

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Ancient Mars Was Wetter and Warmer Than We Ever Realized

New data collected by the Curiosity rover shows that Mars was once quite Earth-like, featuring river deltas, lakes, and a warm climate. What’s more, the Red Planet may have been able to sustain liquid water at the surface long enough for life to emerge and evolve.

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