Determining LUCA’s age was not without challenges. Fossil evidence from the early Archean period is sparse and often contested. To overcome these limitations, researchers used relaxed Bayesian ...

Both life and geological processes get their start in the Archaean era amidst a brew of atmospheric ... appear in shallow waters of the early oceans, and small land blocks collide with one another ...

Low-latitude glaciations in the Paleoproterozoic era. Nature 386 ... A coupled atmosphere-ecosystem model of the early Archean Earth. Geobiology 3, 53–76 (2005). Knauth, L.

A massive meteorite that struck Earth early on in its history wreaked havoc ... into a meteorite impact that took place during the Archean era (4 billion to 2.5 billion years ago) in what is ...