An online guide to the origin, evolution, and distribution of life in the Universe as well as all other aspects of space exploration. www2.astrobiology.com/astro
A comprehensive catalog of scientific resources and media worldwide but especially in German and English: Directories of Astronomy Journals; Astronomy-related catalogs of scientific search engines; additional starting points and sites of special interest. llek.de/english/thematic/nature/astronomie_e.htm
The Snark Hunter's Page is a meta-list of mainly academic resources organized on the theme of necessity vs. contingency in the study of time and evolution. www.snark.org/~pjhughes