Viewers of ABC's World News Tonight have fumed that they "just don't understand" after David Muir shared an upsetting update ...

The ABC World News Tonight anchor delivered devastating breaking news on Tuesday about MIT professor Nuno F.G. Loureiro, ...

It was an emotional episode for ABC World News Tonight viewers as David Muir halted the show for a heartbreaking news update.

David Muir is back in his World News Tonight studio, having been forced to deliver a "heartbreaking update" about the death of a beloved film star. Speaking on November 3, David told ABC viewers that ...

David Muir’s World News Tonight was forced to interrupt its regular broadcast on Saturday, December 13, as news broke out ...

ABC World News Tonight viewers were left heartbroken over a breaking news story as the long-time host of the show took a break.

David Muir has returned to his World News Tonight studio, where he was compelled to share a "heartbreaking update" regarding the passing of a cherished movie star. Broadcasting on November 3, David ...

David Muir seemed to get a head start on his weekend, as he was absent from the December 12 episode of World News Tonight, leaving another ABC news host to step in ...