David Muir reports on students who learned to sign for deaf therapy dog's birthday David Muir shares the America Strong story that unfolded at Dr. William Mennies Elementary School in Vineland, New ...

ABC World News Tonight host David Muir was left red-faced when he made an awkward mistake during a report on the Northern ...

Firefighter tells David Muir how he overcame fear of heights during training rescue A Houston firefighter with a fear of heights got the courage he needed to complete a simulated rescue after millions ...

David Muir recognizes the milestone as past and present hosts reminisce about the early days and look back on reporting from across America and every corner of the globe over the last five decades.