Alien
The composition of DNA and RNA has appeared on the meteorite, confirming life from beyond Earth
The team argues that nucleobases on meteorites 'contributed to the formation of genetic characteristics of early life forms on Earth'.
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The team argues that nucleobases on meteorites 'contributed to the formation of genetic characteristics of early life forms on Earth'.
For decades, scientists have known that DNA is structured by four basic base units - adenine, guanine, thymine and cytosine.