The honest case

Is Astrology Real? And Why Is That Still Even a Question of Debate?

Short answer: As it's practised today, no. Astrology isn't defined, isn't tested, and mostly doesn't hold up. But it has never had a fair test either, because astrologers keep changing the rules. Here's what a real test would require — and why most of astrology has to be wrong before any of it could be right.

Is astrology real?

It's a fair question, and most people who ask it have already made up their mind. The truth, however, is far more interesting than either side usually admits — or even realizes — and it starts by agreeing with the skeptic.

The skeptic is not exactly wrong

When people say astrology "doesn't hold up," they're usually right about the astrology they've seen. Horoscopes that could apply to anyone. Predictions vague enough to never be wrong. Two astrologers reading the same chart and arriving at opposite conclusions. Yet their client still believes both. When you look at most of what you can find about astrology, there is far more wrong than there is right.

If that's the whole of it, the skeptic's instinct is sound: something you can't pin down can't really be tested, and something that can't be tested becomes pretty pointless to even argue about, and can't really be called true. To test our theory, or scientifically prove something right or wrong, in a sea of countless practitioners of different methods, and even outright liars and scammers, we need to find the core that seems most plausible, the part most of them have in common, understand it deeply, test it thoroughly, and then expand upon it if anything seems to work.

The real problem: there is no single astrology, and it blurs into the Barnum/Forer effect

Here's what rarely gets said out loud. Ask ten astrologers to read the same chart and you may get ten very different interpretations: different house systems, different orbs, different weightings, some leaning on transits, others on progressions, some folding in asteroids, fixed stars, or intuition. And crucially, most switch methods depending on the result: if one technique doesn't fit the story, another is reached for until it does. Worst of all, people have a natural tendency to ignore the things that don't fit them and focus on the parts that sound eerily accurate, and the more vague the interpretation, the more easily people find it personally describing them, instead of realizing it might just be a broadly applicable description that fits almost anyone. That tendency has a name, the Barnum, or Forer, effect: we read a vague description that could fit almost anyone as if it were written uniquely about us.

That flexibility is exactly why astrology looks unfalsifiable. If the method can always change to match the outcome, then no outcome can ever prove it wrong, and a claim that can never be wrong can never be shown right either. It's not that astrology has failed its tests; it has never sat a fair one. Which method or system do we even test? And does any system even give us enough precision or depth to make it properly testable? Most astrology keeps changing the exam halfway through. It goes to such lengths that many astrologers use both the Tropical and Sidereal systems (the biggest division in astrology, which uses different dates for the zodiac signs, among other things), simply stating that some apply better to some people than others. This is a deep problem with the practitioners, who almost abandon all logic.

The tests have never been fair either

Even the most famous attempts to settle this, for and against, tested vague methods with vague tools. The detail is worth seeing, so it's laid out in more detail below (though not exhaustively). The short version is that neither the famous debunking nor the famous "proof" is as clean as it's made out to be.

Read the evidence in detail — the famous studies, and why they're flawed

The "time twins" study

Geoffrey Dean & Ivan W. Kelly, "Is Astrology Relevant to Consciousness and Psi?", Journal of Consciousness Studies 10, no. 6–7 (2003): 175–198.

There have been many experiments and studies done throughout the years that tried to test, prove, or disprove astrology. One of the most notable, often considered the nail in the coffin against astrology, is the Dean & Kelly study, including the "time twins" test.

They used follow-up data from Britain's National Child Development Study (NCDS): a London subset of about 2,101 people born during 3–9 March 1958, arranged in birth order to give 2,100 pairs, many with birth times accurate to a few minutes. They compared pairs on 100+ traits (occupation, anxiety, marriage, IQ, sports, reading, etc.) and reported no extra similarity. The effect size they gave was 0.00 ± 0.03. The press in 2003 framed it as a comprehensive debunking. Yet there are countless flaws in that study, and we'll briefly list some of them.

Time-twins design failures

  • They did not restrict the sample to people with the same Ascendant and the same houses.
  • Births were spread across London over a whole week (3–9 March 1958).
  • Sequential pairs were on average about 4.8 minutes apart, but times were often recorded only to the nearest 5 minutes, so many "pairs" were sloppier than that.
  • The same clock time in different London suburbs already moves the ASC/MC by several minutes of zodiac (Dean's own example: ~6′ on the Ascendant, ~4′ on the MC), enough to change angularity and, near a sign change, the rising sign itself. In some cases the time difference was far greater.
  • So some pairs shared a far closer chart shape and others did not, yet the Ascendant, the most important part of a chart, wasn't even checked for. Only the relative time average was. They still treated them as if astrology predicted matching lives.

Biggest conceptual mistakes

  • They scored IQ, height, marital status, school marks, etc. as if those were what a natal chart is supposed to lock in. That is the wrong target for most of the tradition.
  • They used chained pairs (A–B, B–C, C–D…) instead of only the tightest same-place, same-minute twins. That dilutes the test.

Biggest method failures

  • They did not use or consult astrologers for their tests.
  • The full pairing rules and raw results were never published in a way others could reproduce. "Forthcoming" for years is not a finished test.
  • Their big meta-analysis mixed systems (Western natal, Vedic, Chinese, sun-sign columns, amateur matching tests). Fail one pile, declare all of astrology dead.
  • Gauquelin's planetary effects (an earlier study from the 1950s–80s, which focused on planetary effects on trait patterns and seemed to show statistical significance) were waved away as "parents faked birth times," without solid proof that parents even knew that system.
  • Chart-matching studies often tested the wrong person (client questionnaires, not timed techniques) and ignored states vs. temperament.
  • Worst of all, it leaned on questionnaires, a scientifically very weak method. People are poor judges of their own motives and worse judges of others, so self- and observer-ratings are noisy, biased, and often simply wrong.

What this does not mean

  • Sun-sign columns and sloppy modern matching tests really have failed, a lot. That part of Dean/Kelly is not imaginary.
  • But it does not prove almost anything beyond that, as the traits that were looked for, the methods that were used, and the systems that were examined were all either very undetermined, imprecise, or both. In truth, they didn't even test anything of true significance.

The believer is not exactly right either

Michel Gauquelin's planetary findings; the "Mars effect." See J. W. Nienhuys, "The Mars Effect in Retrospect" and the Mars effect overview. The "~0.05 correlation" is Dean's later conversion of the sector excess (Dean, Skeptical Inquirer, 1992; Kelly, Dean & Saklofske, 1990), not a figure Gauquelin himself reported.

In his own study, Michel Gauquelin previously found:

  • Sports champions: Mars in those two "key sectors" more often than chance. The expectation was about 17%; his champion samples often landed around 22%.
  • The same kind of bump for other professions: Saturn with scientists and doctors, Jupiter with actors and politicians, the Moon with writers.
  • The bump was small. As a correlation, about 0.05.
  • Some skeptics, including Dean, later agreed that the pattern in his published files is not a simple counting error.
  • Ranking by fame (Suitbert Ertel) made the Mars bump larger, the opposite of what sloppy cherry-picking would usually do.

However:

  • It's a tiny effect, a few percent. Easy to create with a small bias in who counts as a "champion."
  • He picked the professions and the planets after looking, which raises the chance of a lucky hit. One could level a similar charge at Dean and Kelly's own choices.
  • A French retest (CFEPP) with stricter champion lists found no Mars effect, and a US sports test was also weak or null.

Most importantly, his study ignored the zodiac sign. He only asked: at the recorded minute of birth, where was the planet in its daily path around the sky, as seen from that town?

So even when we look at the most famous and largest studies, we have faulty, vague tests that have tested faulty, vague methods.

The believers who don't test or scrutinize it properly are not helping the case for astrology. Yet the skeptics who don't even give it a chance are the most wrong, as we learn every day just how strange our universe is: the very universe that seems to have come into existence out of nothing, yet seems to follow the laws of cause and effect for the most part.

The way astrology is taught and used today, the very definitions of the planets and the reading of a chart itself, is far too vague to be properly used by anyone trying to learn it. That obviously makes it frustrating to test, makes it seem stupid to skeptics through dismissal bias, and true to believers through confirmation bias. The vagueness does both, without ever giving us a way to put the question to rest, because the vague system is simply flawed, incorrect, and incomplete.

PS: funnily enough, dismissal bias is typically considered a part or tool of confirmation bias, a specific act of rejecting or ignoring information that goes against your beliefs. That makes both extremes, to an extent, far more similar than they are different: both camps lack a deep enough understanding of the subject to hold the firm, unyielding opinions they do.

What a fair test would actually require

If you genuinely wanted to know whether there's anything to astrology, you'd have to do the one thing the field almost never does: fix the system before you look at the answer.

That means a single, strictly-defined set of rules: the same placements, the same weightings, the same logic, applied identically to everyone, with no switching, no after-the-fact reinterpretation, and no wiggle room. Astrology also fails to take into account our experiences, and what we learn, in any meaningful way, and the skeptics are right here as well. Our experiences obviously matter, but what if we could define and explain exactly how they correlate and interact with astrology and our innate personality? That innate personality, and other astrological claims, would need to be very specific and deeply defined, far deeper than modern astrology does. A system like that makes a real prediction. It can be measured. It can be wrong. And only something that can be wrong is worth taking seriously when it turns out to be right.

That's a higher bar than astrology usually sets for itself — and it's the bar this whole project is built on.

What EtheReal does differently

We avoid using vague terms without strict rules, like calling the domains of Mercury those of the "mind, trade, and trickery." What even is "the mind"? Where does "trade" or "trickery" begin or end? Those terms are so broad and vague that they leave too much wiggle room. They don't even stop there; combined with how the rest of the chart is interpreted in most systems, they can be freely attributed to another placement without a strict rule or reason, and that is purely unacceptable.

Every method we've discovered to work, tested, and want to scientifically prove is very well defined, using strict definitions, frames, and boundaries, so that it can not only be tested, but so that anyone can understand and learn to use it without having to rely on interpretation. The parts that astrology does not completely define are stated as such, with reasons and a very defined framework of interaction.

For our compatibility system, the same applies. Every compatibility reading uses the same fixed rules, applied the same way to every pair of charts, producing a score that could just as easily come out low as high. Nothing is adjusted to flatter the result or make it vague. It isn't "the stars say you're perfect, if only you work on these vague things." We also clearly define what about compatibility can be worked on and what can't.

To be clear about what this is and isn't: we don't claim this has already proven astrology. We claim something narrower and more honest: that astrology deserves to be tested properly instead of dismissed lazily, and that a strict, consistent system is the only way to do it. We've redefined and rebuilt the system, and let it stand or fall on its own results.

My own opinion on the matter is clear. However, more independent research is needed before public claims can be made. As I'm busy building the platform, I am very interested in collaborating with the right people to scientifically demonstrate the results of my methods. When testing, we want to see specifics: whether someone has a high or low libido; whether they are very emotionally vulnerable or detached; or, for example, whether they are extremely communicative in one situation yet very silent in others. When we map out a profile with far more complex and specific predictions of a person's natural tendencies, it becomes something actually testable, and the results have consistently pointed me toward refining the system since long before I was even thinking about this project.

Where the book comes in

The Astrological Awakening is where the full framework lives: the reasoning behind the fixed system, how it's defined, and why it's built the way it is. It's written for both: the one who suspects astrology is nonsense, and the one who suspects it isn't. Both deserve the same thing: a version of astrology honest enough to be tested, and a guide on how to avoid biases and fallacies in the future.

If the question "is astrology real?" actually interests you, don't take a verdict from either camp. First understand why many things don't work, what might actually work, and only then test and judge the system for yourself.

The full, strict framework, and the case for testing astrology honestly, is laid out in the book.

Read The Astrological Awakening →

Common questions

Is astrology a science?

For most of history it was treated as one. Astrology was a serious scholarly discipline for centuries, taught in universities alongside medicine, and the direct parent of astronomy: the mathematics, the star catalogues, and the disciplined sky-watching we now call science were largely built by people charting the heavens for astrological reasons. Astronomers like Kepler and Brahe practised it. Today, it's definitely very far from a science the way it is used: it's no longer defined strictly enough to be tested, and anything untestable can't be called science. That's a flaw in how it's practised now, not proof the question is closed. Define the system so it makes specific, falsifiable predictions, and it becomes answerable again.

Does astrology actually work?

Most of what people have seen (sun-sign horoscopes, vague one-size-fits-all readings) genuinely doesn't hold up, and skeptics are right to say so. But most people don't realize how little of astrology that actually is. The twelve signs everyone knows describe only the Sun's position; real astrology is vastly more complex, weaving together many bodies, angles, and placements at once. The honest question is whether a single, strictly-defined system of all that does better than chance when it's actually measured: something to test, not assume.

Can astrology be tested?

Only if you stop it from moving the goalposts. The reason astrology looks untestable is that practitioners switch methods until one fits the result. Fix one defined system, with the same rules and weightings for everyone, and it makes real predictions that can be measured, and that can be wrong. That's the whole principle behind how EtheReal is built.

Why do astrologers give different readings of the same chart?

Because there isn't one astrology. Different house systems, orbs, weightings, even different zodiacs (Tropical vs Sidereal), and many astrologers switch between them depending on what fits. And here's the part that matters most: even if you forced everyone onto a single modern system, it still wouldn't fix this, because today's systems are far too open to interpretation, too loosely defined, and nowhere near specific enough to produce one clear answer. Vagueness, not just variety, is the real problem. A fixed system only helps if it's also strictly and precisely defined.

Is astrology real, or is it fake?

Start from a simple fact: with so many conflicting systems, most of them have to be wrong. So the first job isn't to prove astrology; it's to cut through the noise and work out which single system is even plausible enough to be worth testing. That's exactly what The Astrological Awakening does: strip away what can't work, define what might, and only then put it to a fair test. "Real or fake" is the wrong question until you've done that first.

EtheReal

Filip Karagunovic is the founder of EtheReal and the author of The Astrological Awakening, a strict, testable approach to astrology, written for skeptics and seekers alike.

References

  1. Geoffrey Dean & Ivan W. Kelly, "Is Astrology Relevant to Consciousness and Psi?", Journal of Consciousness Studies 10, no. 6–7 (2003): 175–198. ResearchGate · authors' hosted text.
  2. Geoffrey Dean, "Does the Mars Effect Exist? An Update," Skeptical Inquirer (1992); I. W. Kelly, G. Dean & D. H. Saklofske, "Astrology: A Critical Review" (1990) — source of the "~0.05 correlation" conversion.
  3. J. W. Nienhuys, "The Mars Effect in Retrospect," Skeptical Inquirer. PDF — Comité Para: 119 of 535 champions (22.24%) in key sectors vs ~17% expected.
  4. "Mars effect," overview and test history. Wikipedia.