Astrology is booming. Over 15 million of us read our daily stars - with a sneaking suspicion they may be right. More and more people are consulting astrologers for advice. But a group of eminent scientists has denounced astrology as a dangerous and irrational superstition.

Which view is right? What are the origins of astrology? How does a modem astrologer construct a horoscope chart? Does such character analysis and forecasting stand up to scientific tests?
"Behind the Horoscope" takes a cool look at the evidence.

A "Horizon" programme