Preserving the Skies closes with a call for help from the main entities related to the protection of the night sky.

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  • Diagram of the Sun's interior showing the tachocline, the transition layer where much of its magnetic activity originates
    Press release
    Researchers from the IAC and the ULL achieve the most accurate measurement to date of a key layer inside the Sun
    An international team composed of Drs. Sylvain G. Korzennik, from the Center for Astrophysics | Harvard & Smithsonian , and Antonio Eff-Darwich Peña, from the University of La Laguna and the Instituto de Astrofísica de Canarias, has published a pioneering study aimed at improving our understanding of the Sun’s internal structure. The work, published in The Astrophysical Journal , stands out for its use of exceptionally long helioseismic time series, exceeding twenty-five years of continuous observations, to analyze the deepest layers of the Sun. Helioseismology is the study of patterns of
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  • Roberta Zanin, responsable científica del CTAO; Valentín Martínez Pillet, director del IAC; y Juan Ramón Felipe San Antonio, vicepresidente del Cabildo de La Palma.
    Press release
    The Roque de los Muchachos Observatory will host the inauguration of the four CTAO LST telescopes in October
    El Cherenkov Telescope Array Observatory (CTAO) , el futuro observatorio de astronomía de rayos gamma más grande y potente del mundo, continúa su avance constante hacia su fase de operaciones iniciales. En una rueda de prensa conjunta celebrada en Santa Cruz de La Palma, Islas Canarias (España), representantes de la Organización Central del CTAO (CTAO ERIC), la Colaboración LST del CTAO , el Cabildo de La Palma y el Instituto de Astrofísica de Canarias (IAC) se reunieron para destacar el avance del proyecto hacia una ciencia pionera. Este progreso está marcado por la próxima inauguración de
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  • Image of Comet C/2025 A6 (Lemmon), captured on 23 October from the Teide Observatory / Daniel López and Alfred Rosenberg (IAC)
    Press release
    A solar eclipse and the arrival of a comet will mark the 2026 astronomical calendar
    The Instituto de Astrofísica de Canarias (IAC), through its Communication and Scientific Culture Unit (UC3) and in collaboration with the Museum of Science and the Cosmos (MCC), part of Tenerife Museums, publishes the astronomical events for the year 2026 in its traditional calendar. The year 2026 will be marked by a total solar eclipse on 12 August, which will not be visible from the Canary Islands, but will be 70 per cent partial. In addition, 2026 will see the arrival of new comets, meteor showers and other interesting astronomical events. The IAC's 2026 Calendar is illustrated with a
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