Nebula is an American stoner rock band founded in 1997 by Eddie Glass and Ruben Romano after leaving Fu Manchu. Mark Abshire was the original bassist before being succeeded by Tom Davies, who became a long-standing member. Over the years, Nebula experienced several lineup changes, especially on drums and bass. After an indefinite hiatus began in 2010, the band reunited in 2017 with drummer Michael Amster joining the group. Nebula has released seven studio albums, including Holy Shit in 2019 and Transmission from Mothership Earth in 2022. The band faced losses with the deaths of bassist Tom Davies in 2023 and touring bassist Ranch Sironi in 2024. Nebula is known for its heavy, psychedelic rock sound and enduring presence in the stoner rock scene.