jul 312013
Cracking How Life Arose on Earth May Help Clarify Where Else It Might Exist

  A unique theory about how life arose on Earth may reveal clues to whether and where else it might have arisen in the Universe. This artist’s conception shows a young, hypothetical planet around a cool star. Image Credit: NASA Does life exist elsewhere or is our planet unique, making us truly alone in the Universe?  Much [continue reading]