There are hundreds of books on the topic. Astrology doesn't have to involve psychic phenomenon or even direct causation. Many Astrologers believe in a natural synchronicity between the stars and events. Other countries place even more value in it. It is a undisputed scientific fact that the planets have a measurable magnetic, gravitational and electromagnetic influence on the earth.
Most people agree that bizarre behavior tends to peak on full moons.
Astrology is not limited to natal. There is also electional, horary, mundane, medical, meteorological, Chinese 12 year and millennial. For Astrology, this work has been rather isolated or of low statistical quality. It's been around for millennia in many contradicting forms. It seems to be sustained largely among women who selectively remember hits and like hearing about themselves.