BUFFALO, N.Y. — The RNA world theory suggests that life on Earth began with RNA molecules that copied themselves. It’s believed this self-replication eventually gave rise over millions of years to DNA ...

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A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests could have quickly formed in the presence of compounds called borates. When ...

New experiments suggest RNA, life’s essential molecule, could have formed naturally on early Earth and even arrived from space, raising intriguing questions about how easily life might begin elsewhere ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. NASA astronauts took this ...

How life began on Earth has captivated scientists for centuries. A prevailing theory in the scientific community, known as the “RNA World” hypothesis, suggests life might have originally come from ...