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Special Issues
Galaxies publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process.
The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue polices and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.
Origins and Models of Planetary Nebulae, 2nd Edition
Deadline: 15 June 2026
Multimessenger Transients in the X-Ray Light
Deadline: 10 June 2026
The Evolution of Gravitational Wave Detectors
Deadline: 31 May 2026
From Cosmic Dawn to Hawking’s Glow: The Lifecycle and Legacy of Primordial Black Holes
Deadline: 31 May 2026
Foundations of MHD Turbulence: Theories, Methods and Observations
Deadline: 15 April 2026
Strong Gravitational Lens Modeling
Deadline: 15 March 2026
Astrophysical Magnetohydrodynamics, Plasma Physics and Cosmic Rays
Deadline: 15 March 2026
X-Ray Probes of Black Hole Spin and Accretion Physics
Deadline: 2 March 2026
Gravitational-Wave Probes of Black Hole Spin and Binary Dynamics
Deadline: 2 March 2026
Probing Black Hole Spins with Horizon-Scale Images
Deadline: 2 March 2026
Stellar Spectroscopy, Molecular Astronomy and Atomic Astronomy
Deadline: 1 March 2026
The Observation and Detection of Dusty Star-Forming Galaxies
Deadline: 15 February 2026
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