Collections and calls for papers

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The early evolution of life spans an extensive period preceding the emergence of the first eukaryotic cell. This epoch, which transpired from 4.5 to 2.5 billion years ago, marked the advent of many fundament...

In this special issue, we celebrate the history of this journal and the field that it chronicled over the last half century and here we highlight some of the most important studies that were published over t...