At Earth Sky: How likely is an Earth-like origin of life elsewhere?
Paul Scott Anderson writes: We know that life originated on Earth some 3.7 billion years ago. But we still don’t understand exactly how life came to be. Likewise, we know little to nothing about life on other rocky worlds, even those that might be similar to Earth. Is life a rare occurrence, or is it common? Or somewhere in between? Scientists debate the subject of abiogenesis, the idea of life arising from non-living material. If it can happen on Earth, can it happen elsewhere, too? A new paper from retired astrophysicist Daniel Whitmire at the University of Arkansas argues that it can. Whitmire published his new peer-reviewed paper in the International Journal of Astrobiology on September 23, 2022. Abiogenesis and our own existence Basically, the paper is a counter-argument to the view held Read More ›