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.

Chimpanzees and bonobos diverged comparatively recently in great ape evolutionary history. They split into different species about 1.7 million years ago. Some of the distinctions between chimpanzee ...

The Nature Index 2026 Research Leaders reveal the leading institutions and countries/territories in the natural sciences, health sciences, applied sciences and social sciences, according to their ...

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