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1. • • Life-forms present on Earth today have evolved from ancient common ancestors through the generation of hereditary variation and natural selection.
     Reference:

     Life | Definition, Origin, Evolution, Diversity, & Facts ...

2. People also ask

   Does life exist beyond Earth?

   • Whether life exists beyond Earth is one of the most profound questions of all time. The answer will change us forever — whether it reveals a universe rich with life, one in which life is rare and fragile, or even a universe in which we can find no other life at all. The hunt for […]

   Why We Search - Science@NASA

   science.nasa.gov/exoplanets/why-we-search/

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   What is the origin of life?

   • It is central to many scientific and philosophical problems and to any consideration of extraterrestrial life. Most of the hypotheses of the origin of life will fall into one of four categories: The origin of life is a result of a supernatural event—that is, one irretrievably beyond the descriptive powers of physics, chemistry, and other science.

   Life - Origin, Evolution, Abiogenesis | Britannica

   www.britannica.com/science/life/The-origin-of-life

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   How did life come to Earth?

   • Life, particularly simple forms, spontaneously and readily arises from nonliving matter in short periods of time, today as in the past. Life is coeternal with matter and has no beginning; life arrived on Earth at the time of Earth’s origin or shortly thereafter. Life arose on the early Earth by a series of progressive chemical reactions.

   Life - Origin, Evolution, Abiogenesis | Britannica

   www.britannica.com/science/life/The-origin-of-life

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   Is life on Earth a historical question?

   • If the only goal is to understand life on Earth, he says, it’s a historical question. But if the goal is to understand how life emerges from particular environmental and chemical conditions, then the answer is much more fundamental. It raises the possibility that life could form in different ways on different planets.

   The Origins of Life | Harvard Magazine

   www.harvardmagazine.com/2013/08/life-s-beginnings

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   Is life on Earth a mystery?

   • The origin of life on Earth stands as one of the great mysteries of science. Various answers have been proposed, all of which remain unverified. To find out if we are alone in the galaxy, we will need to better understand what geochemical conditions nurtured the first life forms.

   The origin of life on Earth, explained - University of Chicago News

   news.uchicago.edu/explainer/origin-life-earth-explained

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   What is a purpose of life?

   • A purpose of life, and our purpose, is to continue to evolve. When we think of "evolution" as meaning as a process of learning, adapting, and growing to be more effective and efficient, we see evolution everywhere. Kids learn more advanced skills and concepts in school and this continues on through college and throughout their careers.

   What Is the Purpose of Life? - Psychology Today

   www.psychologytoday.com/us/blog/tech-happy-life/202010/what-is-the-purpose-of-life

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3. news.uchicago.edu › explainer › origin-life-earthThe origin of life on Earth, explained | University of ...

   news.uchicago.edu › explainer › origin-life-earth

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   Sep 19, 2022 · Today, research on the origin of life at UChicago is expanding. As scientists have been able to find more and more exoplanets—that is, planets around stars elsewhere in the galaxy—the question of what the essential ingredients for life are and how to look for signs of them has heated up.

4. www.psychologytoday.com › us › blogWhat Is the Purpose of Life? - Psychology Today

   www.psychologytoday.com › us › blog

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   Oct 2, 2023 · Inherent to our existence is that we learn, adapt, and grow. Health, happiness, and longevity are the payoffs for this. Since our biological evolution is the foundation of our...

5. Videos

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     nasa.gov

     Finding Life Beyond Earth is Within Reach - NASA

     28 Sep 2023

   • 

     bigthink.com

     We asked Big Thinkers: “Is there life after death?” Here's what they said.

     20 Sep 2023

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     psychologytoday.com

     What Is the Purpose of Life?

     30 Sep 2023

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6. royalsocietypublishing.org › doi › 10The origin of life: what we know, what we can know and what ...

   royalsocietypublishing.org › doi › 10

   Abstract. The origin of life (OOL) problem remains one of the more challenging scientific questions of all time. In this essay, we propose that following recent experimental and theoretical advances in systems chemistry, the underlying principle governing the emergence of life on the Earth can in its broadest sense be specified, and may be ...

   • Author: Addy Pross, Robert Pascal

   • Publish Year: 2013

7. www.newscientist.com › article › 0-why-do-we-existWhy do we exist? The meaning of life isn’t to be found in the ...

   www.newscientist.com › article › 0-why-do-we-exist

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   Nov 17, 2021 · WE CAN attempt to answer the question of why we exist in a literal sense: by tracing our human story back through the whorls and rifts of evolution, through the contested origins of life on...

   • Occupation: US Publisher

8. www.britannica.com › science › lifeLife - Origin, Evolution, Abiogenesis | Britannica

   www.britannica.com › science › life

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   Oct 25, 2024 · The origin of life is a result of a supernatural event—that is, one irretrievably beyond the descriptive powers of physics, chemistry, and other science. Life, particularly simple forms, spontaneously and readily arises from nonliving matter in short periods of time, today as in the past.

9. www.harvardmagazine.com › 2013 › 08The Origins of Life - Harvard Magazine

   www.harvardmagazine.com › 2013 › 08

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   Are the inhabitants of Earth the only life forms in the universe, or could life exist elsewhere? As astronomers rapidly identify exoplanets—those beyond our solar system—the question has been transformed from a science-fiction trope to one discussed in scientific journals and conferences.

10. science.nasa.gov › exoplanets › why-we-searchWhy We Search - NASA Science

    science.nasa.gov › exoplanets › why-we-search

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    Why We Search. Whether life exists beyond Earth is one of the most profound questions of all time. The answer will change us forever — whether it reveals a universe rich with life, one in which life is rare and fragile, or even a universe in which we can find no other life at all.