Archaea are a major domain of prokaryotic microorganisms characterized by unique molecular and biochemical features distinguishing them from Bacteria and Eukarya. Their cell membranes typically ...

The most widely accepted scientific explanation for the arrival of all complex life on Earth has had an unsolved mystery at its heart. According to the theory, all plants, animals and fungi, known ...

For decades, scientists have believed that complex life began when two very different microbes joined forces, eventually giving rise to plants, animals, and fungi. But one major puzzle remained: how ...