Nature, Published online: 25 March 2026; doi:10.1038/d41586-026-00900-6The oldest ancient dog genomes on record all come from a population that lived alongside Ice Age hunter-gatherers across Europe and the Middle East.

Nature, Published online: 24 March 2026; doi:10.1038/d41586-026-00938-6Technique that inserts the genome of one bacterial species into the ‘dead’ cells of another could open doors for synthetic biologists.