Is a new form of life really so alien?
Tuesday, May 8, 2012 - 17:20
in Astronomy & Space
The idea of discovering a new form of life has not only excited astronomers and astrobiologists for decades, but also the wider public. The notion that we are the only example of a successful life form in the galaxy has, for many, seemed like an unlikely statistic. A new essay examines what really constitutes "life" and the probability of discovering new life forms.