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Special Issues

Universe 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.

Open for Submission

Challenges in Evolutionary Mechanisms in Nearby Galaxies: Resolving Problems from Dwarfs to BCGs

Guest Editor: Hassen Yesuf
Viewed by 84

Deadline: 31 December 2026

Open for Submission

Oscillations and Instabilities of Solar Filaments

Guest Editors: Yuandeng Shen, Qingmin Zhang
1 article | Viewed by 489

Deadline: 31 December 2026

Open for Submission

Thermal, Dynamic and Magnetic Properties of Solar Jets

Guest Editors: Ruisheng Zheng, Jiajia Liu, Qingmin Zhang
Viewed by 110

Deadline: 31 December 2026

Open for Submission

Advances in Quantum Gravity: Unifying Symmetry and Spacetime

Guest Editors: César Augusto Zen Vasconcellos, Peter Otto Hess, Fridolin Weber
Viewed by 166

Deadline: 30 November 2026

Open for Submission

Neutrino Oscillations and Interactions

Guest Editor: Oleksandr Tomalak
Viewed by 147

Deadline: 30 October 2026

Open for Submission

Exploring the Formation and Impact of Type Ia Supernovae

Guest Editors: Umberto Battino, Benjamin Rose, Robert Izzard
1 article | Viewed by 737

Deadline: 25 September 2026

Open for Submission

Supernova Remnants in the Multi-Wavelength Era

Guest Editor: Daniel Patnaude
Viewed by 80

Deadline: 1 September 2026

Open for Submission

Neutral Hydrogen Observations: Techniques and Cosmological Insights

Guest Editors: Yougang Wang, Yichao Li
Viewed by 51

Deadline: 31 August 2026

Open for Submission

Astroinformatics and Big Data in Astronomy

Guest Editor: Haijun Tian
Viewed by 77

Deadline: 31 August 2026

Open for Submission

X-Ray Binary Transients: Insights and Discoveries

Guest Editor: Ignacio Negueruela
Viewed by 18

Deadline: 21 August 2026

Open for Submission

Advances in Machine Learning Techniques in Cosmology and Particle Physics

Guest Editors: Esteban González, Carlos Maldonado
Viewed by 65

Deadline: 31 July 2026

Open for Submission

Active Galactic Nuclei: Accretion and Supermassive Black Holes

Guest Editors: Edi Bon, Nataša Bon
Viewed by 61

Deadline: 31 July 2026

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Universe - ISSN 2218-1997