Phylogenies are a fundamental tool for organizing our knowledge of the biological diversity we observe on our planet. But how exactly do we understand and use these devices? Tree diagrams have been ...

A team of scientists has combined modern and ancient genomes to build a new “genealogy of everyone,” in an achievement that sets the groundwork for future studies into our evolution and global spread.

Many adoptees are submitting their DNA for analysis in hopes of finding their parents and other ancestors, only to get results that further confuse them. They might have matches for several cousins of ...