Unconfirmed media reports say Nancy Guthrie's pacemaker stopped syncing with her Apple devices. Here's what that means.

Atrial fibrillation, or A-fib, is becoming more common, but doctors say treatments are improving. The condition is a ...

“It’s quite a heavy thing to be told when you're so young and have lived a generally normal and healthy life until that point ...

Sheriff Nanos admits to missteps in the investigation of Nancy Guthrie's disappearance, including releasing the crime scene ...

The 84-year-old has not been seen or heard from since Saturday night.

Savannah's so close to her colleagues that her former co-anchor, Hoda Kotb, is skipping her hosting stint at the Winter Olympics in Milan, Italy, to be there for her friend, we're told.

Troubling details have emerged in the missing case of Nancy Guthrie, the 84-year-old mother of NBC star Savannah Guthrie. A ...

San Clemente-based cardiac device company AtaCor Medical announced a collaboration with Abbott Laboratories to develop a next ...

Nancy Guthrie was reported missing on Sunday after not showing up for church.

Nancy Guthrie, 84, the “Today” show host’s mother, vanished from her home nearly a week ago. The authorities in Arizona are searching for Nancy Guthrie, 84, the mother of the “Today” show anchor ...

Khaleb McRae, who was third at the USATF outdoor championships last year, was a half-stride ahead of Quincy Wilson at the ...

In a statement read into evidence at the inquest on Tuesday, Charlie Rocks said he was aware that Noah was going through a ...