When I first heard the term, "astrotheology" a couple weeks ago, I knew I had to jump in and find out some more about that -- I also knew, without knowing more than the word itself, that there had to be something there that I'd want to share with you! "Astrotheology," it turns out, is an interpretation of astrobiology. It's theology about astrobiology. The term astrobiology was first proposed in 1953. In the 1990s, when microbial life was discovered in extreme environments on Earth, astrobiology got a boost from the idea that harsh conditions on other planets might not prevent life. We began to develop new methods to detect biosignatures. The contemporary form of astrobiology emerged early this century -- and I first heard of it some 6 o...