Ask people today where the universe came from, and you’ll likely hear a brand new answer. Not God. Not nothing. Aliens.
The idea is everywhere. It appears in films, in streaming documentaries, in interviews with famous scientists, and even in hearings held by the United States Congress. It sounds modern, even scientific. It sounds like the sort of thing clever people believe.
But it contains one flaw so deep no amount of technology, evidence or imagination can repair it.
Here’s that flaw in a single sentence: aliens are part of the universe, so aliens can’t be the reason the universe exists.
That’s the whole argument. Everything below simply explains it, tests it, and shows what the Bible says instead.
First, Three Very Different Claims
People mix up three separate ideas and treat them as one. They’re not the same, and only one of them even tries to answer our question.
| THE CLAIM | WHO PROPOSED IT | WHAT IT TRIES TO EXPLAIN | DOES IT EXPLAIN THE UNIVERSE? |
|---|---|---|---|
| Directed panspermia | Francis Crick and Leslie Orgel, 1973 | How the first living cells arrived on Earth | No. It’s about life only. |
| Ancient astronaut theory | Erich von Däniken; Zecharia Sitchin | Ancient monuments, myths and old religions | No. It’s about human history. |
| The universe as a made object | Nick Bostrom, 2003, and others | The universe itself, as a design or a simulation | It tries. It fails, as we shall see. |
Panspermia comes from two Greek words meaning “seeds everywhere”. Directed panspermia means the seeds were sent on purpose by someone. British biologist Francis Crick, who helped discover the structure of DNA, suggested this in 1973 with chemist Leslie Orgel.
Notice something important. Crick wasn’t trying to explain the universe. He was trying to explain life. He turned to aliens because he thought the chance formation of the first cell was wildly unlikely. Keep that admission in mind. We will return to it.
Who Designed the Designers?
In 2008, British biologist Richard Dawkins was asked whether life on Earth could have been designed. He allowed that a higher intelligence from somewhere else in the universe might have seeded it. But he added that this intelligence must itself have come about by evolution.
He had to add that. And in adding it, he handed us the answer.
Any alien is what philosophers call a contingent being. A contingent being is one that didn’t have to exist. It could have failed to exist. It has parts. It had a beginning. It depends on other things for its life: air, chemistry, energy, time, space.
So the moment we name aliens as the makers of everything, an obvious question stands up:
The Regress Test: Three Questions Any Alien Answer Must Face
1. Who made the aliens? They’re made of matter and they had a beginning. Something must account for them.
2. Who made the universe the aliens live in? They need space to move in and time to think in. Both existed before them.
3. Where does the chain stop? If aliens were made by older aliens, who were made by older aliens still, the question is never answered. It’s only passed along.
An answer that has to be asked again isn’t an answer. It’s a delay.
Philosophers call this infinite regress: an endless line of explanations where nothing is ever finally explained. It is like a man who cannot pay his debt, so he borrows from a friend, who borrows from another friend, and so on forever. If nobody in the line actually has any money, the debt is never paid.
There’s only one way to stop the line. We need a being who isn’t borrowed, not made, not dependent, and not part of the universe at all. Someone who simply is. Aliens can never be that being, no matter how advanced their technology.
Here’s the irony. Richard Dawkins made his own name asking believers, “Who made God?” That question does no damage to God, who by definition was never made. But it destroys alien designers completely, because aliens most certainly were made.
Fine-Tuning Came First
Scientists have discovered our universe is balanced on a knife edge. This is called fine-tuning. The forces and numbers built into physics are set with astonishing precision. Change the strength of gravity slightly, or the amount of energy in empty space, and there are no stars, no planets, no chemistry, and no life of any kind, anywhere.
Now think carefully about what that means for the alien theory.
| QUESTION | WHAT ALIENS REQUIRE | WHAT THIS PROVES |
|---|---|---|
| Could aliens exist in an untuned universe? | No. Aliens need stable atoms, stars and chemistry just as we do. | The tuning must already be in place before any alien is born. |
| Could aliens have set the tuning? | They would have to exist before they existed. | This is impossible, not merely unlikely. |
| So what caused the fine-tuning? | Something outside the system of matter, space and time. | This is exactly what the Bible means by God. |
A simple picture may help. A chef can bake a magnificent cake. But no chef can bake the oven he’s standing in. Aliens are inside the kitchen. They didn’t build it.
Making Things and Making From Nothing
Here we reach the deepest point of all, and it’s worth reading twice.
There are two completely different activities the English word “make” can describe.
| WHAT CREATURES DO | WHAT GOD DOES | |
|---|---|---|
| The activity | Shaping material that already exists | Calling into being what did not exist at all |
| What is needed first | Raw materials, tools, energy, time | Nothing whatsoever |
| Best example | A potter and a lump of clay | Light appearing at a spoken word |
| The limit | You can never produce the clay itself | There is no limit |
| The old name for it | Craftsmanship | Creation out of nothing |
Theologians use the Latin phrase creatio ex nihilo, which means “creation out of nothing”. Scripture states it plainly. “In the beginning, God created the heavens and the earth” (Genesis 1:1). And more sharply still: “the universe was created by the word of God, so that what is seen was not made out of things that are visible” (Hebrews 11:3).
No creature can do this, and the reason isn’t a shortage of equipment. It’s a shortage of being. To bring something out of nothing, we must possess life in ourself and depend on no one. Jesus says of the Father that He “has life in Himself” (John 5:26). Aliens borrow their life. We cannot give away what we don’t own.
So the very best an alien could ever be is a craftsman working with materials someone else supplied. Philosopher Plato imagined such a figure and called him a craftsman god. That’s a very old idea wearing a very new costume.
The Line No Creature Can Cross
There are exactly two categories of things that exist:
- The Creator. One being, uncreated, unlimited, not made of matter, not inside time.
- Everything else. Angels, stars, galaxies, atoms, human beings, and yes, aliens if any exist.
This line runs through all reality, and nothing has ever crossed it. Every alien anyone has ever imagined stands firmly on the second side. Aliens would be fellow creatures, not our maker.
The old confessions of the church made this line their foundation. The Belgic Confession of 1561 says God made all things from nothing when it seemed good to him. The Westminster Confession of 1646 says it pleased God in the beginning to create, or make of nothing, the world and all things in it. American theologian Cornelius Van Til spent his whole career insisting this single distinction between Creator and creature is where Christian thinking either stands or falls.
The Test to Apply to Any Theory of Origins
Ask one question of whatever is offered as the explanation of everything: is it made of matter, and did it have a beginning?
If yes, it’s part of the creation and needs explaining itself. Aliens, multiple universes and computer simulations all fail here.
If no, we’re no longer talking about science fiction. We’re talking about God.
An Old Idea in a New Suit
People often assume the alien theory is a fresh product of the space age. It’s not. Human beings have been swapping the Creator for something inside the creation for a very long time.
A Short Timeline of the Idea
- About 300 BC. The Greek philosopher Epicurus teaches that there are countless worlds and that the gods take no interest in ours.
- 1600. Giordano Bruno is executed in Rome, partly for teaching an infinite universe filled with other inhabited worlds.
- 1817. The Scottish minister Thomas Chalmers preaches a famous series of sermons in Glasgow answering the objection that a universe this large makes the Christian faith look small.
- 1968. Erich von Däniken publishes Chariots of the Gods, arguing that the gods of the ancient world were visiting astronauts.
- 1973. Francis Crick and Leslie Orgel publish their directed panspermia paper.
- 2003. Philosopher Nick Bostrom argues that we may be living inside a computer simulation run by an advanced civilisation.
- 2008. Richard Dawkins allows on camera that a designer of life might be an evolved alien intelligence.
What the Alien Answer Quietly Gives Away
This section is worth marking. When Richard Dawkins and others reach for alien designers, they’ve already conceded three enormous things, usually without realising it.
Three Admissions Hidden Inside the Alien Theory
Design is real. We don’t need a designer to explain something that shows no signs of design. Reaching for one admits the signs are there.
Chance is not enough. Francis Crick turned to aliens precisely because he judged the accidental origin of the first cell to be too improbable to accept.
Information needs a mind. Nobody suggests aliens shook a jar of chemicals and the right chemicals happened to come together. They’re always imagined writing, coding, engineering. That’s mind-work.
So the debate was never design against no design. The only question on the table is which designer. And that’s a question the alien theory isn’t equipped to answer.
The Problem of Information
Every living cell runs on a code. DNA stores instructions in a four-letter chemical alphabet, and the cell translates those instructions into working machinery. It’s a language with a vocabulary, a grammar and a translation table.
German information scientist Werner Gitt has argued for years information isn’t a material thing at all, and that in every case we can actually observe, coded information traces back to a mind that intended it. Wind and waves don’t write sentences.
Now suppose aliens really did deliver the first cells to Earth. What has been explained? Only the delivery. The postman doesn’t explain the letter. Somewhere, someone still had to write it, and the alien theory has simply moved the mystery to a planet where nobody can go and check.
The Problem of Time
There’s also a timing difficulty the theory rarely admits.
- The aliens need a history. For seeder aliens to exist, they must first have arisen somewhere by unguided processes over an immense stretch of time.
- Nothing has been solved. Every difficulty about the origin of life on Earth now becomes a difficulty about the origin of life on their planet instead.
- The evidence has been moved out of reach. The one place where the crucial event supposedly happened is a place we can never examine.
- Scripture gives a different history. The Bible presents a recent, direct, spoken creation, with the heavens and the earth finished in 6 days and the whole work pronounced very good.
Australian speaker Ken Ham has made a point that fits neatly here. He distinguishes between the science we do in the present, which we can repeat and test, and claims about the unrepeatable past, which always rest on assumptions the investigator brought with him. His famous three-word challenge to origins stories is simply: “Were you there?” No one observed aliens seeding Earth. The theory isn’t an observation. It’s a preference.
Astronomer Danny Faulkner has argued along similar lines that the confidence people feel about life beyond Earth isn’t built on data at all, since not one organism has ever been found off this planet. It’s built on the belief that if life arose here by accident, it must have arisen elsewhere too. Take away that assumption and the confidence has nothing to stand on.
Writer Gary Bates, who has studied the modern fascination with unidentified flying objects at length, goes further. He suggests belief in advanced aliens now performs a rescuing role in popular thought: whenever an origins explanation runs into trouble, a superior intelligence from elsewhere is summoned to take the strain. It functions less like a scientific conclusion and more like an article of faith.
The Great Silence
One more difficulty deserves mention. And it’s quite a stubborn one.
In 1950 Italian physicist Enrico Fermi asked a famously simple question: if the aliens are out there in such numbers, where is everybody? Radio searches of the sky have now run for more than sixty years and have returned nothing. In March 2024 the American defence office established to investigate unexplained aerial sightings reported it found no evidence any of them were extraterrestrial craft.
So the beings summoned to explain the entire universe have left behind no message, no wreckage, no signal. Meanwhile the heavens themselves are shouting. “The heavens declare the glory of God, and the sky above proclaims his handiwork” (Psalm 19:1). The evidence is not missing. We simply don’t like what it says.
A Designer Cannot Save You
Suppose, for argument, everything the alien theory wants were granted. Suppose a fleet appeared tomorrow, and the captain stepped out and announced his people had built us.
What would you actually have gained?
| THE QUESTION THAT MATTERS | WHAT AN ALIEN ENGINEER OFFERS | WHAT SCRIPTURE OFFERS |
|---|---|---|
| Where did everything come from? | A maker who also needs a maker | A God who was never made |
| Why does anything exist? | A project, a hobby, an experiment | All things created for him |
| Who holds it together now? | No answer at all | The Son upholds the universe by his word |
| What about my guilt? | Nothing. Engineers do not forgive. | A Saviour who died and rose for sinners |
The New Testament doesn’t present a distant designer who set things going and withdrew. It presents a person. “For by Him all things were created, in heaven and on earth… all things were created through Him and for Him” (Colossians 1:16).
Notice the last two words. Not merely by Him, but for Him. The universe is not a machine with a builder somewhere. It is a house with an owner, and it exists for his purposes. That same Son “upholds the universe by the word of his power” (Hebrews 1:3), which means the world is not running on its own even now.
And this maker came into what he had made. He was born, lived, died and rose again, so that people who had spent their lives worshipping the creature could be brought home to the Creator. That is the offer no alien could ever make. A designer might explain how you got here. Only a Saviour deals with the fact that you have gone wrong.
Three Questions to Ask, Gently
If someone you know finds the alien idea attractive, there is no need to argue. Ask, with genuine friendliness, three short questions and then listen.
- “Where did your designers come from?” This is the whole matter in a single sentence. Every honest answer either stops with a being who was never made, or never stops at all.
- “Who made the universe your designers live in?” They needed space, time and matter before they could design anything at all.
- “Why does the universe make sense to us in the first place?” Why should laws hold steady, and why should a human mind be able to read them? A universe that came from mindless material owes us no such kindness. A universe made by a rational God owes us exactly that.
These questions do not humiliate anyone. They simply follow the theory to its end, which is where every theory should be followed.
The Answer Is Older and Larger Than the Question
The alien theory fails not because it’s too bold but because it’s far too small. It offers a maker who is himself made, a designer who needs designing, a craftsman standing in a workshop he did not build.
The Bible has never offered anything so modest. “Lift up your eyes on high and see: who created these? He who brings out their host by number” (Isaiah 40:26). The one who made the stars is not among them. He isn’t a visitor from a distant galaxy, because the distant galaxy is His, and so is the space it hangs in, and so is the moment it began.
The right response to a universe like ours has never been speculation. It has always been worship.
Tough Questions, Honest Answers
Does the Bible say whether extraterrestrial life exists?
Scripture neither affirms nor denies life on other planets, and we should be careful not to make it answer a question it never takes up. What the Bible does say is that the earth holds a unique place in God’s purposes. It is the planet God formed to be inhabited, the stage on which the fall took place, and the location of the incarnation of his Son. The heavenly bodies are described as serving purposes connected to the earth: giving light, marking seasons, days and years, and declaring the glory of their maker. Any position we take on alien life, positive or negative, must remain a matter of opinion rather than doctrine, held loosely and without dividing believers over it.
If aliens exist, would Christ have to die for them too?
The Bible presents one Adam as the head of one human race, so that his sin brought guilt and death to all who descend from him. Salvation follows the same structure: one Saviour who took a human nature and died once for all. Scripture says plainly that Christ did not offer himself repeatedly, and that after his resurrection he retains his human body forever. A race of fallen beings on another world would therefore have no obvious way of being saved, since Christ didn’t assume their nature and will not die again. Unfallen beings would need no Saviour. That leaves the whole scenario without a coherent place in the biblical account of redemption, which is one strong reason believers doubt the existence of other rational, embodied races.
Were the Nephilim of Genesis 6 alien hybrids?
This suggestion has become popular in books and television programmes, but the text lends it no support. Genesis 6 speaks of the sons of God and the daughters of man, and the Nephilim who were on the earth in those days. Whether the sons of God are understood as fallen angelic beings or as the godly line of Seth, both readings keep the passage inside a world of creatures God had already made. Nothing in the passage points beyond the earth. Just as importantly, the point of the passage is moral rather than biological: it explains the corruption that provoked the flood. Reading spacecraft into Genesis 6 imports a modern anxiety into an ancient text and misses what the chapter is actually about.
Are unidentified flying object encounters a spiritual phenomenon?
Some careful writers have argued the strangeness of these encounters, especially the recurring themes of contact and hidden knowledge, has a spiritual rather than a technological explanation. Scripture certainly warns that our struggle is against spiritual forces of evil in the heavenly places, that Satan disguises himself as an angel of light, and that deception may come with signs and wonders. That warrants caution and discernment. At the same time, most reported sightings turn out to have ordinary explanations, and believers should avoid treating every unexplained light as a demonic sign. The wise course is neither fascination nor mockery, but a settled confidence that whatever is out there, Christ is above it and holds all authority.
Is the simulation hypothesis really an argument for God?
It’s often presented as the sophisticated alternative to religion, but it is religion with the serial numbers filed off. It asks us to believe in an unseen intelligence, outside our reality, who made our world, sustains its rules, and could alter or end it at will. The trouble is that a simulator is still a programmer sitting in some larger reality, made of something, using energy, needing a beginning. The regress simply starts again one level up. What the idea does show is how deeply the human mind resists the thought that everything made itself. Even those who reject the Creator keep reinventing him, which is exactly what Scripture says people do.
Does the silence of space count for or against the Bible?
It sits far more comfortably with Scripture than with the assumption that life arises wherever conditions allow. If life is a natural outcome of chemistry and time, the sky should be busy, and after decades of searching it is not. If, on the other hand, life is a gift given deliberately at a particular place, then a quiet universe is exactly what we should expect. Silence is not proof, and we should not build doctrine on the absence of a radio signal. But it is worth noticing which view keeps having to explain away its own predictions, and which one never made those predictions in the first place.
Have Christians always struggled with the idea of other worlds?
Not at all, and the history here is encouraging. The objection that a vast universe makes Christianity look provincial is at least two centuries old. In 1817 the Scottish minister Thomas Chalmers preached a celebrated series of sermons on precisely this challenge, arguing that the sheer scale of the heavens exalts rather than diminishes the God who made them, and that a God great enough to sustain a universe is certainly great enough to attend to one small planet and its inhabitants. The Bible itself makes the same point when it asks what man is that God should be mindful of him. The wonder is not that the universe is too big for God to care. The wonder is that a God this big cares at all.
Related Reads
- Fine-tuned Universe: Design Or Random Chance?
- Did the Universe Create Itself? The Laws of Thermodynamics Cry No
- The Anthropic Principle: How’s Our Universe Designed for Life?
- Is Intelligent Design Biblical? Addressing Christian Concerns
- Who Were the Nephilim in the Bible? Genesis 6 Explained
- Sleep and Intelligent Design: Why the Brain Shuts Down to Save Itself
