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 ...

ABC News legends David Muir and George Stephanopoulos secretly loathe one another and are mired in a 'historic' feud, it has been claimed. The two newsmen have been known to have tension and now ...

David Muir and Deborah Roberts bid an emotional farewell on Friday when they revealed a big change to their 20/20 show. Taking to Instagram, Deborah posted a photo of herself outside the ABC ...

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 News President Almin Karamehmedovic said on Tuesday his outlet is committed to hard-hitting, accurate, and ...

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 ...

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

In a new "20/20" episode, "The Code Breakers," airing March 7 at 9 p.m. ET on ABC, and streaming the next day on Hulu, David Muir explores the innovative DNA technology Othram used to crack the ...

Watch on Deadline Tienabeso started at ABC News in 2007, and also served as senior producer on World News Tonight with David Muir. He has covered several presidential elections, the 2014 Israel ...

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 reporting has been honored with ...

Seni Tienabeso has been promoted to vice president of ABC News Live, the Disney news’ unit’s live-streaming operation, and will also oversee ABC News’ medical and climate units while ...