What is the best scientific theory to explain the origin of life on Earth?

Christianity and the progress of science

Evolution News talks about a new peer-reviewed science paper which re-caps the current origin of life situation:

…the dominant biological paradigm — abiogenesis in a primordial soup. The latter idea was developed at a time when the earliest living cells were considered to be exceedingly simple structures that could subsequently evolve in a Darwinian way. These ideas should of course have been critically examined and rejected after the discovery of the exceedingly complex molecular structures involved in proteins and in DNA. But this did not happen. Modern ideas of abiogenesis in hydrothermal vents or elsewhere on the primitive Earth have developed into sophisticated conjectures with little or no evidential support.

…independent abiogenesis on the cosmologically diminutive scale of oceans, lakes or hydrothermal vents remains a hypothesis with no empirical support…

The conditions that would most likely to have prevailed near the impact-riddled Earth’s surface 4.1–4.23 billion years ago were too hot even for simple organic molecules to survive let alone evolve into living complexity…

The requirement now, on the basis of orthodox abiogenic thinking, is that an essentially instantaneous transformation of non-living organic matter to bacterial life occurs, an assumption we consider strains credibility of Earth-bound abiogenesis beyond the limit.

The transformation of an ensemble of appropriately chosen biological monomers (e.g. amino acids, nucleotides) into a primitive living cell capable of further evolution appears to require overcoming an information hurdle of superastronomical proportions, an event that could not have happened within the time frame of the Earth except, we believe, as a miracle. All laboratory experiments attempting to simulate such an event have so far led to dismal failure.

Before the extensive sequencing of DNA became available it would have been reasonable to speculate that random copying errors in a gene sequence could, over time, lead to the emergence of new traits, body plans and new physiologies that could explain the whole of evolution. However the data we have reviewed here challenge this point of view. It suggests that the Cambrian Explosion of multicellular life that occurred 0.54 billion years ago led to a sudden emergence of essentially all the genes that subsequently came to be rearranged into an exceedingly wide range of multi-celled life forms — Tardigrades, the Squid, Octopus, fruit flies, humans — to name but a few.

…the complexity and sophistication of life cannot originate (from non-biological) matter under any scenario, over any expanse of space and time, however vast.

What is the explanation of the origin of life, then, according to true-believing atheists?

Richard Dawkins explains:

Got that? The origin of life on Earth is best explained as a result of higher aliens seeding the Earth with life. And where did those aliens come from? They evolved by chance. And can we observe or test the hypothesis that they evolved by chance? No.

Lest you think that this “aliens did it” explanation is a trick of video editing, consider this article from Scientific American.


Francis Crick (who co-discovered the structure of DNA with James Watson) and Leslie Orgel once proposed that life on Earth was the result of a deliberate infection, designed by aliens who had purposely fled mother nature’s seed to a new home in the sun.

[…]The origins of life remains an unresolved mystery. I argue that Crick and Orgel’s paper was meant both as a serious and plausible scientific alternative and as a means to criticize concurrent origins of life.

Previously, I’ve laid out the evidence for cosmic fine-tuning, so that we could understand how slight changes to the constants and quantities given at the Big Bang would make complex, embodied life in the universe impossible. The smallest of changes has massive effects: only hydrogen, no hydrogen, no stars, universe re-collapses into a hot fireball, etc. The atheistic response to this evidence, which has been documented in the most prestigious academic presses and peer-reviewed journals, is to either deny the evidence, or assert that there is an untestable, unobservable multiverse. As if this were not bad enough, the multiverse generator itself requires fine-tuning.

Similarly with the origin of the universe. The best atheistic responses to the origin of space, time, matter and energy from nothing, about 14 billion years ago, has been to either assert that nothing exists (Peter Atkins) or that the nothing that preceded the universe was actually something (Lawrence Krauss) or to introduce a speculative theoretical model that is disproved by observations (Sean Carroll).

So, let’s take stock. We have evidence for the origin of the universe, like the cosmic microwave background radiation and the light element abundance observations. Atheist answer: either nothing exists right now, or the nothing causally prior to the universe was really something, or here is a disproved speculative theory. We have evidence of cosmic fine-tuning to allow the existence of complex, embodied intelligence. Atheist answer: the unobservable, untestable multiverse did it. We have evidence that origin of life was almost immediate after the cooling of the Earth, and that the problem is best explained by an intelligence sequencing amino acids and proteins, similar to the way that humans write code and blog posts. Atheist answer: unobservable, untestable aliens who evolved did it.  This is not even to mention the Cambrian explosion. The last article I saw argued that the introduction of oxygen was the best naturalistic explanation for that. Does oxygen write genetic code?

I’ll leave it to you to decide which side likes science, and which side likes science fiction. Personally, I would not be comfortable being an atheist at this time in history. We’ve just made too much scientific progress to still believe in stone-age mythology. I understand that atheists find Star Wars and Star Trek comforting and entertaining. I understand that real peer-reviewed science papers are boring and dull compared to science fiction. I’m not saying that we can’t believe in atheism when we are children, and still reading comic books. But there comes a time when we need to grow up and be more responsible about adjusting our worldviews to match the progress of science. A child who believes in Santa Claus is cute, but it’s not the same thing when a grown-up does it.

Positive arguments for Christian theism

7 thoughts on “What is the best scientific theory to explain the origin of life on Earth?”

  1. I also find it amusing that aliens did it evolution is ok on science. Yet they mock intelligent design that doesn’t try to answer the who did it. Only looking for what had to be designed. It is only hard as a view of the because a large group of its supporters are Christians.

    But if they were honest even aliens are really an intelligent design spin off theory because smart aliens design and tinker with DNA to make us eventually.

    But because that side is too agreeable to God of Christianity minus how strong the God is

    Liked by 1 person

      1. Look, the best I can do is cite Richard Dawkins, Francis Crick and Leslie Orgel. As the author of one of the best-known defenses of atheism, Dawkins is surely capable of pointing us to the best atheistic hypothesis, and that’s what the video clip shows.


      2. Panspermia is the scientific name for alien life. Look at NASA claims to find life on mars. Life floating from the sky on a meteor claims.

        It isn’t fringe science when any video or talk about how life started quickly moves to that. Life on earth began almost immediately. And the only form of life we have is far to complicated to happen naturally. So a simplwr form that evolved to be more complicated happened in an older part of the universe and moved out.

        It is the only reasonable answer for an atheist that confronts how complex the simplest life forms on earth are


  2. Most atheists seem to believe that we don’t know how the universe originated (before the big bang that is). I don’t know of any alternative that fits the evidence.


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