The International Experts Summit on Astronomy, Astrophysics, and Space Science (AASS-2025) is a premier event set to take place from May 26-28, 2025, in the vibrant city of Valencia, Spain. This summit will bring together leading scientists, researchers, academicians, and professionals from around the world to share their expertise, research findings, and innovative ideas in the fields of astronomy, astrophysics, and space science.