Editors’ choice for the thematic issue “Fundamental Problems and Applications of Atomic Nucleus Physics” is the paper entitled “Astrophysical S-Factor in the Model of a Square Potential Well” by S. Yu. Torilov, N. A. Maltsev and V. I. Zherebchevsky (Bulletin of the Russian Academy of Sciences: Physics, 2023, Volume 87, Issue 8, P. 1217-1220).