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What are ghost lineages, remnants of the past that still exist in our DNA today?

Ghost lineages reveal themselves through ancient genes that still exist in living beings today.

DNA not belonging to Savannah Guthrie's mom found at her home

It's been nearly two weeks since Nancy Guthrie, "Today" show anchor Savannah Guthrie's mom, was last seen, as the search to find her intensifies.

DNA breakthrough in Nancy Guthrie search as distinctive Walmart item at bloody crime scene could help smoke out suspect

THE FBI has reported a DNA breakthrough in the Nancy Guthrie case as the search enters its third week. It comes as preliminary forensic results have come back from a glove that was recovered near
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Scientists found 7,000-year-old mummies that don't share human DNA

Scientists made a shocking discovery after they revealed that they had unearthed two mummified corpses that, according to the scientists, were almost 7,000 years old and had no traces of modern human