In February 2024, "Kosmos" was officially founded as a political party, with Kokkalis, Maria Vassilakou[1] and Lefteris Papagiannakis forming the governing committee.[13][14] In March, the temporary bodies of Kosmos were elected, while Kokkalis was appointed secretary of the party.[15][16]
On 9 April 2024, the participation of the Volt Greece party in the Kosmos ballot was announced.[17] On 18 April, the participation of the Greens – Ecology party in the Kosmos ballot was announced, after the signing of a bilateral agreement between the co-presidents Vassilikis Grammatikoyannis and Ilias Gianniris with Petros Kokkalis.[18]
On 9 June 2024, the party participated in the 2024 European Parliament elections with its slogan "Because our life matters" («Γιατί η ζωή μας έχει σημασία») but failing to retain its one seat.[19]