New species evolve whenever a lineage splits off into several. Because of this, the kinship between species is often described in terms of a 'tree of life,' where every branch constitutes a species.

Mitonuclear discordance refers to the mismatch between evolutionary histories inferred from mitochondrial DNA and those reconstructed from nuclear genomes. This phenomenon arises when mitochondrial ...

A new, high-quality bonobo genome assembly has been constructed. It is allowing scientists to more accurately compare the bonobo genome to that of other great apes - the gorilla, orangutan, chimpanzee ...

Anurans, salamanders and caecilians represent the three major orders of Amphibia, collectively encompassing over 8,000 described species worldwide. Phylogenetic analysis employs molecular, ...