Neanderthals and Denisovans interbred with modern human ancestors, leaving behind telltale DNA in our genomes. Now we have evidence of modern human interbreeding with two much older but unknown ancestors.
By Robert Sanders
Using genealogical relationships in DNA, UC Berkeley researchers have uncovered hidden contributions from extinct human populations that left no sequenced genomes.
Meaghan Marohn)
July 30, 2026









