The track appeared on U2's album Pop and was first begun during the Zooropa sessions.

Formats:

Last Night On Earth CD Single CID 664/572 051-2 Pop Muzik (POP Mart Mix 8.50) Happiness is a Warm Gun (The Gun Mix 4.45)

Last Night on earth (in hell Mix) CD Single CIDX664/572 055-2 Numb (3.55) The Soul Assassing Mix Happiness is a Warm Gun (4.51) The Danny Saber Mix Pop Muzik (8.50) PopMart Mix

It was performed live for the first time during the PopMart tour opener in Las Vegas on April 25, 1997. U2's video for the single featured beat author William Burroughs and supermodel Sophie Dahl, daughter of the late children's author Roald Dahl. The video was filmed in Burroughs' hometown of Kansas City. A few fans were able to catch an unfinished version of the video aired in the early morning hours of MTV.

Last Night On Earth also appears on the Project X 99x.com and WFM 96.9 Sampler compilations.