Doubts about exogenous planet biogenesishttps://www.space.com/space-exploration/search-for-life/doubts-mount-further-over-signs-of-alien-life-on-k2-18b-this-is-evidence-of-the-scientific-process-at-work by ianpenney • 1 year ago 1 0 1 year agoSPspace.com