ABC News' David Muir will lead 24 hours of coverage from July 3 through July 4, 2026.
Zolgensma has been called the most expensive drug in the world, with one dose costing over $2 million.
"Jimmy Kimmel Live!" will soon move back to its original time slot in an abbreviated format as "Nightline" continues to cover the coronavirus pandemic.
"I don't want you to worry," Celine Dion remembers telling her husband shortly before he died.
When Nathan -- then Natalie -- was in the second grade, a counselor told him to be true to himself. Now, he gets to thank her.
