Leary and O’Brien both got their start in comedy, as a stand-up comedian and 'Saturday Night Live' writer, respectively.

“We look like two Irish aunts,” Leary joked after Fallon brought out a side-by-side photo of the two stars, who are third cousins. “We look like sisters, that’s what we look like. Two old sisters.” ...

Ice Cube, Kevin Hart and Conan O'Brien get into a stranger's car. This isn't a setup for a joke, it's the premise of a video from O'Brien's TV show, which sees the late-night host paired with ...

Andy Richter Reacts to Lawsuit Conan O'Brien Channels 'Mad Max' for Epic Comic-Con Roadtrip Best of Late Night TV: Louis C.K. Refused to Hire Jimmy Fallon in '90s, Rick Gervais' Awkward Man-Wich ...

Conan O'Brien will become the latest late-night comedy king to be crowned with the Mark Twain Prize for American Humor this year. The Kennedy Center will present the honor − a distinction given ...