David Letterman and John Oliver both paid surprise visits to their old stomping grounds Monday night. Bill Carter reports.

After singing the updated version of "Asshole," Leary and Fallon sat down to discuss the song. "I don't know if people are ...

While interviewing Gates on last night’s Tonight Show Starring Jimmy Fallon, Fallon brought up the meme featuring the ...

Show' host is set to release the fifth and final installment in his children's book series with a story about grandpas ...

Jimmy Fallon joked that Donald Trump is starting beef with American allies because he doesn’t seem to view them as such.