Heidi Gutman/ABC News David Muir is the anchor and managing editor of ABC World News Tonight with David Muir, the most-watched newscast in the U.S., and co-anchor of ABC’s 20/20. Muir’s ...

Fellow longtime anchor David Muir was among the many journalists who shared their surprise with messages bidding Lester farewell (he will be moving to a full-time position on Dateline).

In a "20/20" special report, David Muir weaves together two decades-long ... Courteney Swartz Though Cathy Swartz's killer left behind a fingerprint on a pink phone and a bloody footprint in ...

Lester Holt's ratings rival David Muir has paid tribute to the outgoing ... roughly the same numbers they did the year before. That left Evening News, for the week of February 10, the sole ...

ABC's World News Tonight anchor David Muir shared a message celebrating NBC anchor Lester Holt following news of his departure from NBC Nightly News, ...

David Muir has already had quite a big year, and we still have nearly three months left before it ends! Between marking ...

You’ve heard the controversy about how David Muir used clothespins to tighten his coat so he looked more fit during LA fire coverage. OK?

He will remain with the network with a full-time role on Dateline. His departure means that ABC World News Tonight's David Muir will be the longest-running broadcast news anchor in the evenings.

Tom Llamas, who left a prominent anchor-in-waiting role ... not get a chance to lead that program during the week, when David Muir holds sway over the nation’s most-watched evening-news option.

Left untreated, some conditions that cause ear pain can lead to hearing loss. But effective treatment can usually relieve ...