We know living things come from other living things. But how did the VERY FIRST living thing get here? Did it just pop out of nowhere? Can scientists make new life from scratch? If we took all the ingredients for life and put them on another planet, would life start there too after a long, long time?
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Like many things, it’s a spectrum, not either-or. Life isn’t a magical property that things have or don’t. Are viruses alive, for example? Depends on your definition.
Chemical systems got more complex over time, from really simple to what we see today. Pointing at something and saying “That’s the First Living Thing^tm” would be arbitrary, simplistic and misleading.
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