The international CTAO LST Collaboration , in which the Instituto de Astrofísica de Canarias (IAC) plays a prominent role, released remarkable findings from observations of GRB 221009A—the brightest gamma-ray burst (GRB) ever recorded. The results were published by the renowned journal The Astrophysical Journal Letters (ApJ Letters) . The publication presents in-depth observations conducted in 2022 with the Large-Sized Telescope (LST ) prototype, the LST-1, during its commissioning phase at the Roque de los Muchachos Observatory (ORM) on the CTAO-North site in La Palma, Spain. The

From Thursday, May 8th, to Friday, May 9th, the Canary Islands Institute of Astrophysics (IAC) is hosting the meeting of the Research Advisory Committee (CAI). This is the center's highest advisory body on research and analyzes its scientific and technological output. At this meeting, the director, Valentín Martínez Pillet, will present the center's main scientific and technological milestones, as well as a proposal for future lines of action. The director will also be joined by Eva Villaver, deputy director of the IAC; Romano Corradi, director of Gran Telescopio Canarias; Jonay González