Discovery is the eighth studio album by English rock band Electric Light Orchestra (ELO). It was released on 31 May 1979 in the United Kingdom by Jet Records, where it topped record charts, and on 8 June in the United States on Jet through Columbia Records distribution.
 
Discovery was the band's first number 1 album in the UK, entering the chart at that position and staying there for five weeks. The album contained five hit songs in "Shine a Little Love", "Don't Bring Me Down", "Last Train to London", "Confusion" and "The Diary of Horace Wimp", many of which were heavily influenced by disco (in fact, Richard Tandy nicknamed the album, Disco Very). "Don't Bring Me Down" would become one of their only two top three hits in the UK throughout their career ("Xanadu" would be number one in 1980), and also their highest-charting US single at number 4. "The Diary of Horace Wimp" was also a hit single in the UK, not patterned after the disco sound; instead it was closer in its Beatlesque style to the band's earlier hit "Mr. Blue Sky". The album itself was the first ever to generate four top-ten singles (one of which was a Double A-side) from a single LP in the UK and was eventually certified 2x platinum by the RIAA in 1997.
 
Discovery is notable in that it was the first ELO album not to feature their resident string trio of Mik Kaminski, Hugh McDowell and Melvyn Gale, although they did make an appearance on the Discovery music videos.
In one of his earliest jobs, comedian/actor Brad Garrett, dressed in Middle Eastern clothes and turban, appears on the back cover as the menacing palace guard who is drawing his scimitar.