Researchers simulated early Earth conditions with hydrothermal vents and found that archaea thrived, suggesting life may have originated in similar 'chemical gardens' rich in hydrogen and iron.
The clearest picture yet of LUCA suggests it was a relatively complex organism living 4.2 billion years ago, a time long considered too harsh for life to flourish.
This review article examines the current understanding of the origin and early evolution of eukaryotic cells, highlighting key events and players involved in this process, particularly focusing on the symbiotic relationship between an archaeal host and a bacterial endosymbiont.
