ABC News is making a generational change at the top of its evening newscast, replacing Diane Sawyer with 40-year-old understudy David Muir in an attempt to take a run at longtime ratings leader Brian ...

NEW YORK -- David Muir, the anchor and managing editor of America's most-watched newscast "ABC's World News Tonight with David Muir" and co-anchor of news magazine "20/20," has been named one of TIME ...

ABC World News Tonight anchor David Muir has the week off for the holidays, with Rachel Scott filling in for the anchor during the Christmas Eve edition of the popular news program. The beloved ...

In the world of network evening news, "World News Tonight with David Muir" became the ratings king. Muir has been a constant at the Disney-owned ABC Network, where he was handed the keys to their ...