As a teenager, I used to enjoy reading my horoscope in gossip magazines. It was a fun pastime for my friends and me, even though we knew it was all nonsense. So, when my hairdresser recently asked me my star sign and I shared my skepticism about astrology and horoscopes, her response of “Typical Taurus” caught me off guard.
Nowadays, astrology is making a comeback, especially on social media. Posts about “Geminis,” “Leos,” and “Virgos rising” are everywhere. This resurgence may stem from people’s desire to connect with personality types and gain insights into an uncertain future. Surprisingly, many astrology enthusiasts consider themselves scientifically inclined.
The roots of astrology lie in ancient Mesopotamia, where people observed the stars and developed a calendar system. The zodiac signs we know today—Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpius, Sagittarius, Capricorn, Aquarius, and Pisces—are based on 12 constellations along the ecliptic. These constellations were divided into 30-degree sections by Babylonian astronomers, creating the first known astronomical coordinate system.
Despite astrology’s historical significance, modern science contradicts its claims. There is no scientific evidence that your zodiac sign influences your daily life. Stars, despite their beauty, are distant fusion reactors that have no impact on our personalities or events on Earth.
If you’re skeptical about astrology, here are three scientifically grounded points to consider:
1. There are actually 13 zodiac signs, not 12. Ophiuchus, the forgotten Serpent Bearer, was left out of the Babylonians’ system.
2. Not every zodiac sign corresponds to a month. The sun passes through the boundaries of each sign for varying lengths of time.
3. The zodiac signs change over time due to Earth’s precession, shifting which constellations appear in the ecliptic at different times of the year.
Despite the inaccuracies in traditional astrology, there exists a scientifically correct zodiac system based on modern astronomical observations. Each constellation is accurately located in the ecliptic in this updated system.
While astrology may continue to captivate some, it’s essential to distinguish between ancient beliefs and current scientific understanding. This article, originally published in Spektrum der Wissenschaft and translated with the help of AI, sheds light on the origins of astrology and the disconnect between ancient practices and modern knowledge.

