Radio emission from a massive node of the cosmic web - A discovery powered by machine learning C. Stuardi, A. Botteon, M. Sereno, K. Umetsu, R. Gavazzi, A. Bonafede and C. Gheller A&A, 695 (2025) L16 Published online: 17 March 2025 DOI: 10.1051/0004-6361/202452581