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Special Issues

Molecules 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

The Hidden Stories of Small Planetary Bodies

Guest Editors: Emese Forgacs-Dajka, Csaba Kiss
1 article | Viewed by 1,591

Deadline: 28 February 2026

Open for Submission

The Role of Black Hole Growth in Galaxy Formation and Evolution

Guest Editors: Mojtaba Raouf, Violette Impellizzeri
Viewed by 240

Deadline: 28 February 2026

Open for Submission

Detection and Tracking of Near-Earth Asteroids

Guest Editor: Haibin Zhao
Viewed by 216

Deadline: 27 February 2026

Open for Submission

Multi-Messenger Astrophysics: Synergies Between Cosmic Rays, Gravitational Waves, Neutrinos, and Electromagnetic Signals

Guest Editors: Gina Isar, Günter Sigl
1 article | Viewed by 979

Deadline: 31 January 2026

Open for Submission

Relativistic Heavy-Ion Collisions: Theory and Observation

Guest Editors: Jun Xu, Chunjian Zhang
1 article | Viewed by 1,092

Deadline: 31 January 2026

Open for Submission

Supergravity, Strings, and Related Topics

Guest Editors: Yi Pang, Gabriele Tartaglino-Mazzucchelli, Robert Saskowski, Kiril Hristov, Jun Nian
Viewed by 173

Deadline: 31 January 2026

Open for Submission

Neutrino Insights: Peering into the Subatomic Universe

Guest Editor: Guillermo D. Megias
3 articles | Viewed by 3,066

Deadline: 30 January 2026

Open for Submission

Applications of Artificial Intelligence in Modern Astronomy

Guest Editor: Bo Qiu
1 article | Viewed by 1,700

Deadline: 30 January 2026

Open for Submission

The Royal Road: Eclipsing Binaries and Transiting Exoplanets, 2nd Edition

Guest Editors: Tamás Borkovits, Szilard Csizmadia
Viewed by 172

Deadline: 30 January 2026

Open for Submission

Exploring and Constraining Alternative Theories of Gravity

Guest Editors: Cláudio Gomes, Gonzalo J. Olmo
1 article | Viewed by 1,077

Deadline: 30 January 2026

Open for Submission

Universe: Feature Papers 2025—Space Science

Guest Editor: Ezio Caroli
8 articles | Viewed by 6,868

Deadline: 31 December 2025

Open for Submission

Measurements, Observations and Theoretical Studies on the Solar Magnetic Field—Celebrating the 40th Anniversary of the Huairou Solar Observing Station

Guest Editors: Shangbin Yang, Mei Zhang, Junfeng Hou, Jiaben Lin, Yu Liu
18 articles | Viewed by 15,013

Deadline: 31 December 2025

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Universe - ISSN 2218-1997