Surprising Youth in the Solar System
January 26, 2016
Four solar system objects in the news look young, not billions of years old.
Confusing Building Blocks with Life
September 4, 2015
Astrobiologists and their uncritical reporters continue to commit a logical fallacy regarding necessary and sufficient conditions.
Water Worlds Tempt with Life, Not Youth
March 13, 2015
More and more planets and moons are suspected of having liquid water, but what should be the logical implications?
Enceladus Ocean Means Dating Trouble, Not Life
April 5, 2014
News media are jumping over an announcement that Saturn's moon Enceladus may have a large body of water under its icy crust, but what does it mean?
Scientists Dodge Youthfulness of Saturn Moon Enceladus
August 7, 2013
Planetary scientists have figured out that the geysers of Enceladus vary during its orbit, but seem oddly silent about the question of how long the little moon could remain so active.