extraterrestrial intelligences

  • How Often Does Life Emerge In The Universe?

    How Often Does Life Emerge In The Universe?

    Since the 1960s, the Drake Equation has been used to predict how many communicative extraterrestrial civilisations 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…