You can find plenty of helpful resources for learning Astrology online. Here are a few suggestions:
-Astrology Zone (www.astrologyzone.com)
-The Astro Codex (www.theastrocodex.com)
-Astro Reference (www.astroref.com)
-Free Horoscopes Astrology (www.freehoroscopesastrology.com)
You can also find a number of books and online courses focused on Astrology, as well as local astrology clubs and meet-ups.