News

This section includes scientific and technological news from the IAC and its Observatories, as well as press releases on scientific and technological results, astronomical events, educational projects, outreach activities and institutional events.

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  • Artist’s impression of a massive binary system
    Press release
    Research led by the IAC reveals that massive stars inherit their composition from hidden companions
    An international team, led by a pre-doctoral researcher at the Instituto de Astrofísica de Canarias (IAC), has revealed that the heaviest chemical elements on the surfaces of the youngest massive stars originate from their more evolved companions. The study has been published in the journal Astronomy and Astrophysics . ‘Throughout their lives, stars produce energy by fusing lighter chemical elements into heavier ones.’ “Stars are the universe’s great factories for chemical elements: as they evolve, they take the lighter ones and fuse them into heavier ones, changing their original
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  • Portada del folleto de «SUPER NOVAE. Cómo las muertes estelares conforman nuestro universo»
    Photomontage
    UNDARK presents “SUPERNOVAE”, an illustrated journey through the death of stars
    The illustrated publication “SUPERNOVAE. How stellar deaths shape our universe” explores stellar explosions and their connection to the elements that make life possible, neutrinos and some of the cosmos’s greatest mysteries. How do stars die? What remains after a supernova? How are these explosions connected to the matter we are made of? UNDARK, a project funded by the European Union through the WIDERA programme under Horizon Europe and coordinated by the Instituto de Astrofísica de Canarias (IAC), brings these questions to the public through SUPERNOVAE , an illustrated publication whose
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  • Participants in the IAC’s cross-disciplinary project ‘Dark Matter: Observations, Models and Detection’, held at the IAC’s headquarters in La Laguna
    Press release
    The IAC brings together its research staff to make progress in the search for the nature of dark matter
    On the occasion of International Dark Matter Day, the IAC transversal project “Dark matter: observations, models and detection” — coordinated by G. Battaglia — celebrated its first internal workshop on October 29th at the Instituto de Astrofísica de Canarias (IAC), with the support of the DiaLoGues project. The IAC transversal project “Dark matter: observations, models and detection”, created in 2026, brings together IAC researchers with complementary expertise united by a common goal: understanding the fundamental nature of dark matter (DM), one of the main constituents of the Universe
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  • XXII edición de las Semanas de la Ciencia y la Innovación de Canarias
    Press release
    El IAC participa en la XXII edición de las Semanas de la Ciencia y la Innovación de Canarias
    El Instituto ofrecerá actividades gratuitas durante el mes de noviembre, entre ellas visitas a su Sede Central y a IACTEC, talleres online con telescopios robóticos y su presencia en la Feria de la Ciencia de La Orotava El Instituto de Astrofísica de Canarias (IAC) se suma un año más a las Semanas de la Ciencia y la Innovación de Canarias, una iniciativa organizada por la Agencia Canaria de Investigación, Innovación y Sociedad de la Información (ACIISI) del Gobierno de Canarias, que celebra este año su vigésima segunda edición. Con una programación de actividades gratuitas dirigida a
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  • Cartel de las XI Jornadas Protagonistas de la Ciencia y la Tecnología en Canarias
    Press release
    Las XI Jornadas Protagonistas de la Ciencia y la Tecnología en Canarias homenajean a Francisco Sánchez
    Las XI Jornadas Protagonistas de la Ciencia y la Tecnología en Canarias rinden homenaje a Francisco Sánchez Martínez, fundador y primer director del Instituto de Astrofísica de Canarias (IAC), fallecido en 2025. Esta edición, que se celebra del 26 al 29 de octubre, reconoce la trayectoria de una figura fundamental para la ciencia en el Archipiélago, cuyo impulso fue decisivo para situar a España en el mapa internacional de la investigación astrofísica. Promovido por el Instituto de Estudios Canarios (IECan) y el Instituto de Estudios Hispánicos de Canarias (IEHC), este ciclo de conferencias
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  • gdwarfs
    Research news
    Hints of enhanced magnetic activity after the intermediate rotation period gap as traced by the chromospheric Ca II infrared triplet
    New study reveals enhanced magnetic activity across the stellar atmosphere after the intermediate rotation-period gap Stars change as they age. Like our Sun, they rotate and generate magnetic fields, producing phenomena such as dark spots on their surfaces and influencing the activity of their atmospheres. As stars age, they generally rotate more slowly and their magnetic activity declines. However, observations have revealed an unexpected feature in this evolution: a shortage of stars with certain intermediate rotation periods. This intermediate rotation-period gap suggests that stellar
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