- AstroLinks - Internet's Astronomy Guide - Cosmobrain's Astrolinks is a complete guide for Astronomy on the web. Only selected links.
- Astronomy by ExploreSpace.com - Includes an online store, classifieds, telescope information, discussion forum, and astronomy links.
- Astronomy Resources - Links to hundreds of astronomy sites.
- Astronomy World Wide Space Link - Links to largest telescopes, professional astronomers, planetaria, pictures, amateur equipment.
- Astronomylinks.com - Over 500 astronomy and space related links, updated frequently. Submit your own link.
- Cosmobrain Astronomy and Astrophysics - Helpful index of links relating to many different aspects of Astronomy.
- Galactic Surf - Web portal with extensive collection of internet links on astronomy and space topics.
- Links to Astronomy - Appropriate sites for Drennon's students of Broward Co., Florida and CVCHS in Visalia, CA.
- LLEK Bookmarks Scientific Search Engines - Astronomy - A 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.
- Mike Boschat's Astronomy Page - Many astronomical sites.
- Sky and Telescope - Internet Resources - Astronomy links, lists and newsgroups.
- The Astrobiology Web - An online guide to the origin, evolution, and distribution of life in the Universe as well as all other aspects of space exploration.
- The Telson Spur: A Way Station for Snark Hunters - 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.
- Top20Astronomy.com - Online directory for astronomy education.
