It's one of the most longstanding questions in biology: how did life first arise?

Research on the topic abounds, but there's no one accepted answer. And according to one new paper, the chances that life emerged by pure chance on Earth are so slim that it's possible that our planet was instead seeded by "advanced extraterrestrials."

While Imperial College London professor of systems biology Robert Endres concedes that the emergence of life still could've been the result of chemical reactions moving from highly disordered to ordered arrangements, as Universe Today reports, he's also leaving open to that much more exotic possibility.

The "aliens did it" hypothesis would "violate Occam's razor," Endres admitted in his yet-to-be-peer-reviewed paper, but he refuses to rule it out as a "specul

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