Genealogical and genetic ancestors aren’t the same thing. A DNA match − or a lack of one − may not tell you what you imagine it does about your family tree.

OLYMPIA, Wash. -- The FBI says DNA found on the tie of hijacker D.B. Cooper does not match a new suspect in the case. Special Agent Fred Gutt cautioned that the test does not necessarily rule out ...

A crimalist testifying Monday in the Marvin Ray Markle Jr. murder case said she was able to extract DNA from fingernail clippings from the victim’s left hand, then told the prosecutor it ...