Why has astrology come back into fashion?

Have you noticed more of your friends talking about their star signs of late? Maybe they try to guess the sign of people they meet, or come out with unexpected references to “Mercury in retrograde” or “Saturn return” over dinner. Maybe you’re into it yourself; and you have an app which sends you horoscope notifications all day long.

It wasn’t so long ago that most people would just read horoscopes in the paper for a laugh, but these days astrology seems to be all the rage. Dedicated webpages are getting more and more traffic, and there are ev...