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).

ABC World News Tonight anchor David Muir is instantly recognizable. As one of the most famous and reliable anchors on ...

David Muir and Deborah Roberts bid an emotional farewell on Friday when they revealed a big change to their 20/20 show.

David Muir has reportedly won the long-running feud with fellow ABC News anchor George Stephanopoulos, according to a TV insider. Oliver Darcy, a former CNN journalist and founder of the news site ...

Lester Holt's ratings rival David Muir has paid tribute to the outgoing NBC Nightly News anchor in a glowing tribute post. The host of ABC World News Tonight penned the homage Monday ...

In a "20/20" special report, David Muir weaves together two decades-long probes. In 1988, 19-year-old Cathy Swartz was a young mother living with her fiancé Mike Warner and her 9-month-old baby ...

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

Longtime anchor David Muir has paid an emotional tribute to his former co-star Lester Holt following his shock exit from NBC Nightly News. Lester's departure comes a decade after he began his ...

ABC News and Walt Disney Co. entertainment networks are being hit with a 6% reduction in staff amid shrinking ratings and revenue for traditional television. Workers were told of the cuts Wednesday.

Holt replaced him. David Muir is the longest running evening news anchor, taking over “ABC World News Tonight” in September 2014. “CBS Evening News” recently switched from Norah O ...