(NewsNation) — A top FBI official clarified Monday the DNA evidence found at Nancy Guthrie’s home is not “new,” but the underlying technology may be key in making new headway in the confounding case.

Ryan Kelly is in awe of what floats invisibly in the air. “It is completely mind-blowing,” says Kelly, who studies environmental DNA (eDNA) at the University of Washington in Seattle. “We are ...

Research on ancient DNA is surging, but how can scientists ensure that human remains of irreplaceable significance are preserved? This is the question investigated by an international research team ...

CANCERS ARE real biological cheats. Whereas most of the cells in a healthy animal’s body get along by following the same set of genetic rules, cancer cells shamelessly ignore them. Healthy cells, for ...

Lawmakers in both parties said President Trump should continue allowing Afghans who worked alongside American troops to settle safely in the United States. By Megan Mineiro Reporting from the Capitol ...

Single-Use Planet is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, LG ...