Friday, December 01, 2006

Undiscovered alien life forms on Earth, cloud creatures on alien worlds and alien pathogens

Welcome! “Alien Life” tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. You may notice that this and future entries are shorter than usual; Career, family and book deal commitments have forced me to cut back some of my projects. Now, here’s today’s news:
g Life - In the third in our series of “gedanken” thought experiments, Carol Cleland explores the idea that there could be undiscovered alien life forms on Earth. See article.
g Imagining - Could “cloud creatures” exist on alien worlds? Here’s one writer’s speculations:
g Aftermath - As we look toward exploring other worlds, and perhaps even bringing samples back to Earth for testing, astrobiologists have to wonder: could there be alien pathogens in those samples that will wreak havoc on our world? See
. Note: This article is from 2003.