O'Brien left NBC in 2010 after the network wanted to bump "The Tonight Show" to 12:05 a.m. to make room for Jay Leno. Does time — and a new host — heal all wounds? Fourteen years after Conan O'Brien ...

Conan O'Brien has reason to smile after his debut as "Tonight" show host. His first Nielsen Media Research report card showed a 7.1 rating and 17 audience share in the nation's biggest media markets.

In an eloquent, earnest, and characteristically quirky statement addressed to the "People of Earth," Conan O'Brien has announced that he won't host The Tonight Show if NBC pushes it back to 12:05.

In a few hours, Conan O'Brien will make his debut as "Tonight Show" host and Will Ferrell is the redheaded funnyman's first guest. "I'm extremely flattered by it," Will told Access Hollywood during an ...

Widely regarded as one of the best talk show hosts of all time, Conan O'Brien has millions of devoted fans who can't get enough of his sense of humor. As a result, there was a lot of excitement when O ...