The headquarters of the Instituto de Astrofísica de Canarias (IAC) and its technological headquarters, IACTEC, open their doors to the public at their Open Days as part of Open Government Week 2025. This initiative, promoted by the Open Government Partnership worldwide, seeks to bring public administrations closer to citizens and promote the values of transparency, integrity, participation and accountability. The event at the IAC headquarters will take place on Monday 19 May, while the IACTEC will open its doors on Tuesday 20 May. Both days will be held in person, with two visiting hours

At the present time ground-based observatories have a wide range of instruments which can study the solar surface in the visible and infrared ranges. But it is not possible to combine these observations with those in the near ultraviolet, which cover the wavelength range from 200 to 400 nanometres, nor to maintain them for long periods due to the turbulence in the Earth’s atmosphere. In this context, the Sunrise III mission, in which the Instituto de Astrofísica de Canarias (IAC) is collaborating, “ has become the first observatory to obtain spectropolarimetric data simultaneously in the

The Instituto de Astrofísica de Canarias (IAC) has opened the application period for the XXXVI Canary Islands Winter School of Astrophysics , which will be held from 17 to 22 November 2025. This edition is carried out in the framework of the CELESTE (Centre for Optical and Space Technologies of the IAC) programme funded by the European Union and will focus on key optical technologies for astronomy, a field that is driving 21st century discoveries about the universe. Applications will be accepted until Friday, 13 June. The IAC’s Winter School is renowned for its educational approach and