Hollywood films and science fiction literature fuel the belief that aliens are other-worldly, monster-like beings, who are very different to humans. But new research suggests that we could have more in common with our extra-terrestrial neighbors, than initially thought.
In a new study published in the International Journal of Astrobiology scientists from the University of Oxford show for the first time how evolutionary theory can be used to support alien predictions and better understand their behavior. They show that aliens are potentially shaped by the same processes and mechanisms that shaped humans, such as natural selection.
The theory supports the argument that foreign life forms undergo natural selection, and are like us, evolving to be fitter and stronger over time.
Sam Levin, a researcher in Oxford’s Department of Zoology, said: ‘A fundamental task for astrobiologists (those who study life in the cosmos) is thinking about what extra-terrestrial life might be like. But making predictions about aliens is hard. We only have one example of life — life on Earth — to extrapolate from. Past approaches in the field of astrobiology have been largely mechanistic, taking what we see on Earth, and what we know about chemistry, geology, and physics to make predictions about aliens.
‘In our paper, we offer an alternative approach, which is to use evolutionary theory to make predictions that are independent of Earth’s details. This is a useful approach, because theoretical predictions will apply to aliens that are silicon based, do not have DNA, and breathe nitrogen, for example.’
Using this idea of alien natural selection as a framework, the team addressed extra-terrestrial evolution, and how complexity will arise in space.
Species complexity has increased on Earth as a result of a handful of events, known as major transitions. These transitions occur when a group of separate organisms evolve into a higher-level organism — when cells become multi-cellular organisms, for example. Both theory and empirical data suggest that extreme conditions are required for major transitions to occur.
The paper also makes specific predictions about the biological make-up of complex aliens, and offers a degree of insight as to what they might look like.
Sam Levin added: ‘We still can’t say whether aliens will walk on two legs or have big green eyes. But we believe evolutionary theory offers a unique additional tool for trying to understand what aliens will be like, and we have shown some examples of the kinds of strong predictions we can make with it.
‘By predicting that aliens undergone major transitions — which is how complexity has arisen in species on earth, we can say that there is a level of predictability to evolution that would cause them to look like us.
‘Like humans, we predict that they are made-up of a hierarchy of entities, which all cooperate to produce an alien. At each level of the organism there will be mechanisms in place to eliminate conflict, maintain cooperation, and keep the organism functioning. We can even offer some examples of what these mechanisms will be.
‘There are potentially hundreds of thousands of habitable planets in our galaxy alone. We can’t say whether or not we’re alone on Earth, but we have taken a small step forward in answering, if we’re not alone, what our neighbors are like !
Materials provided by University of Oxford
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Hello! The answer to whether aliens are more like us isn’t a shock to the system and detail of it was provided to our prophet Rael by our ET creators the Elohim! We were made in their image just as a alien race made them into the Elohim and right now there is a gap of sophisticated technology that seperates us from our ET creators.If we go out into deep space and colonize other worlds or terraform dead worlds into live ones.It seems pretty obvious to me we must continue the tradition of creating life even in our image to follow in the footsteps of our ET creators the Elohim.That should be our first goal and tomorrow a time will be observed when the Elohim created humanity.I know Raelians around the world will be celebrating in different ways. I on the other hand will watch two DVD movies to celebrate creator beings accomplishments and if your guess is the 2001 movie and the sequel than your assumption would be correct.I well disconnect myself from the notion we descended from apes but you can be sure creating life through out the universe and advancing it along from time to time comes also with a obligation to protect that life in a guardian type way so that life can be prevented from interferance from outside forces.What a great time in the cosmos it will be and hopefully many more like it to come.