The first detection of SiC2 in the interstellar medium S. Massalkhi, I. Jiménez-Serra, J. Martín-Pintado, V. M. Rivilla, L. Colzi, S. Zeng, S. Martín, B. Tercero, P. de Vicente and M. A. Requena-Torres A&A, 678 (2023) A45 Published online: 03 October 2023 DOI: 10.1051/0004-6361/202346822