With a proven legacy of four successful international editions, ISGAC has evolved into a prestigious global platform, attracting leading experts and distinguished speakers in Gravitation, Astrophysics, and Cosmology uniting leading minds to drive innovation, advance frontier research, and foster impactful collaborations. The previous editions ISGAC2023 in Rome, ISGAC2024 in Florence, ISGAC2025 in Valencia, and ISGAC2026 in Frankfurt have collectively contributed to the summit’s growing reputation as a hub for scientific exchange and innovation. We are delighted to announce the 5th International Summit on Gravitation, Astrophysics & Cosmology (ISGAC2027), scheduled for April 26–27, 2027 in Milan, Italy. This upcoming edition aims to [...]