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

David Muir was spotted in a small community near the Orlando, Fla., area. So why is he in Orlando? Here's what we know.

ABC News' David Muir and Deborah Roberts are seeing a new evolution of their newsmagazine 20/20 amid big changes for the ...

David Muir appears to have ditched his now-infamous clothespin. The ABC anchor returned to “World News Tonight” Thursday to ...

As pointed out by former CNN media reporter Oliver Darcy in Sunday’s edition of his Status newsletter, anchors and reporters ...

David Muir is always one to keep it professional, although couldn't resist letting his softer side out when he came face to ...

David Muir has reportedly won the long-running feud with fellow ABC News anchor George Stephanopoulos, according to a TV ...

David Muir has been good friends with Kelly Ripa for years, and the pair have a fun-loving friendship. And his latest remark to the Live star caught the attention of fans, after he commented on ...

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 ...

T Coronae Borealis has an outburst every 79 to 80 years, according to NASA.

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 ...