New genetic evidence is challenging long-held beliefs about when dogs first became human companions. Findings from two major ...

Explore the complexities of the Nancy Guthrie case as forensic experts face challenges with mixed DNA and false leads.

An investigation initially punctuated by ransom notes and public pleas from family members for Nancy Guthrie’s release has since transitioned to investigators seeking results from DNA evidence ...

Attorneys say bullet doesn’t match suspect’s gun in Kirk case, while prosecutors cite DNA and alleged confession as key ...