The Living Cosmos http://www.livingcosmos.com/
Argues that biological universe is stabilized by life and that planets, galaxies, and other objects are similar at the phenomenological level.
Cosmic Repulsion http://www.empyreanquest.com/repulse.htm
Online text of a book postulating the existence of a repulsive force, to explain the observed expansion of the universe without exotic dark matter. Aimed at a popular audience.