This is a bit of a long read, but let's be honest, you're not really working now are you?
Robert Zubrin (the guy who proposed the Mars Direct plan that the book The Martian was based on) speculates on the origin and distribution of life within the galaxy.
(, Thu 21 Dec 2017, 16:39, Reply)
but he seems to share some misconceptions about evolution with the intelligent design crowd.
(, Thu 21 Dec 2017, 18:54, Reply)