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 ...

In a "20/20" special report, David Muir weaves together two decades-long ... Courteney Swartz Though Cathy Swartz's killer left behind a fingerprint on a pink phone and a bloody footprint in ...

Left untreated, some conditions that cause ear pain can lead to hearing loss. But effective treatment can usually relieve ...

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 ...

Andrew Tate is back in America, forcing us to confront his perverse messaging to a subset of America’s young men. But what we really need to come to grips with are the social conditions in our ...

David Hasselhoff and his ex-wife Pamela Bach had been married for 17 years before their divorce in 2006 - which was followed by spousal support arguments that left the actor 'broke.' On Wednesday ...