Studio 4E maintains visual continuity with the broadcast’s previous home at ABC News’ former broadcast center on West 66th ...

David Muir and George Stephanopoulos have reportedly been at odds for months, over their seniority at ABC news.

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 ...

The latest episode of ABC's 20/20, titled The Code Breakers, will revisit how advanced DNA technology in 2023 helped solve Cathy Swartz's murder in 1988, which remained a cold case for 35 years.

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 ...