Origins of Life on Earth: Abiogenesis, Panspermia, and the Open Debate on Extraterrestrial Involvement

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Researchers weigh whether life began on Earth by natural chemistry or was brought here by intelligent extraterrestrials, considering fossil clues and harsh early conditions and keeping an open, testable stance that both abiogenesis and panspermia could be true.

This Man Says It’s Possible Our True Ancestors Are Aliens. Will the Mainstream Ever Believe Him?
popularmechanics.com

This Man Says It’s Possible Our True Ancestors Are Aliens. Will the Mainstream Ever Believe Him?

While idea may violate Occam’s razor, “it remains a speculative but logically open alternative,” says biologist Robert Endres.