A complete breakdown of the abbreviation, including its role and function within the body.

The family has been ruled out as suspects in her disappearance, and now the feds have deployed a so-called signal sniffer aimed at locating her pacemaker.

Here's what we know about the South Florida DNA lab chosen over Quantico to analyze evidence in the Nancy Guthrie abduction.

Why does the same virus barely faze one person while sending another to the hospital? New research shows the answer lies in a molecular record etched into our immune cells by both our genes and our ...

Among the many questions on my mind, the ones about the Suns’ passing this season keep coming back: How clean is their ball ...

Officials investigating the disappearance of Nancy Guthrie have recovered DNA from a glove found near her house. If they don't get an exact match, they could turn to genealogy websites for clues.

Live updates about the search for Nancy Guthrie, the mother of "TODAY" co-anchor Savannah Guthrie was authorities say was ...

Law enforcement activity was underway at a residence near Nancy Guthrie’s home Friday night as the desperate search for her nears two weeks.

Nancy Guthrie was taken from her home in Tucson, Arizona, more than two weeks ago and remains missing. Authorities have yet to publicly name any suspects or persons of interest.

The search for missing 84-year-old Nancy Guthrie, mother of “Today” show host Savannah Guthrie, has stretched into a third, anguished week, with mounting pressure on investigators and a family ...

The Phoenix Suns owner realized he was going to get criticized regardless. So now, "I'm unapologetically Mat Ishbia." ...