"I’m just going to go on record as saying: They’re lying," Letterman, 79, said.

Conan O’Brien said that traditional late-night television is drawing to a close, pointing to the massive success of low-cost online interview shows as the moment he knew the format was in trouble.

WASHINGTON — The Federal Communications Commission said Wednesday that daytime and late-night TV talk shows featuring interviews with political candidates must comply with “equal time” rules that give ...

For nearly seven decades, late-night television gave Americans a familiar voice to close out the day: monologues, celebrity interviews, comic relief. Now Conan O’Brien, who spent almost 30 years ...

In October 2006, while seeking reelection as California’s Republican governor, Arnold Schwarzenegger appeared on “The Tonight Show With Jay Leno” on NBC. It seemed innocent enough: Schwarzenegger had ...