Hope, Not Evidence, Drives Astrobiology
August 25, 2016
Earth-size exoplanets are not evidence for alien life. They are evidence for orbiting bodies.
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Life from Sun Flares?
May 23, 2016
A NASA scientist proposes that a period of superflares on the early sun zapped life into existence on the earth.
You Wouldn't Want to Live on "Earth's Cousin"
July 24, 2015
Despite the hype about another Earth-like exoplanet, Kepler 452b would not be as habitable as Venus.
Physical and Geological Hurdles on the Darwinian Race
March 7, 2015
Can the smooth big-bang-to-brain story of evolution jump the physical and geological hurdles along the way?