In 1977, Woese and Fox proposed the Archaea as a new domain of life and that the tree of life is divided into three branches — the Eukarya, Bacteria and Archaea. Although a three-domain tree was ...

Eukaryotes are the category of organisms that include us. We have our DNA partitioned into a nucleus instead of just hanging out loose with other cellular components. Eukaryotes are thought to have ...

There is a scientific picture waiting to be drawn. Someone has to do artistic justice to the evolutionary tree of life. Back in 1837, Charles Darwin sketched out a tree of life in a notebook as a way ...