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 policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Studies in Properties of Accretion-Ejection Phenomena Around Black Holes
edited by Chandra Singh, and
submission deadline 31 Dec 2025 | Viewed by 42 | Submission Open
Keywords: accretion; jet; X-ray binaries; ULXs; AGNs; relativistic phenomena; radiation; magnetic field
(This special issue belongs to the Section Compact Objects)
Magnetized Dense Matter in Compact Stars: From Fundamental Properties to Astrophysical Observables
edited by Efrain J. Ferrer, and Cristina Manuel
submission deadline 31 Dec 2025 | Viewed by 37 | Submission Open
Keywords: magnetized relativistic systems; magnetized dense systems; equation of state in magnetized dense systems; rotation in magnetized dense system; cooling in magnetized dense systems; transport properties of magnetized dense systems; topological effects in magnetized dense systems; hadron– quark phase transition in a magnetic field
(This special issue belongs to the Section Compact Objects)
Quantum Gravity Phenomenology: Insights and Advances
edited by Iarley P. Lobo
submission deadline 31 Dec 2025 | Viewed by 22 | Submission Open
Keywords: Lorentz invariance violation; generalized uncertainty principle; non-Riemannian geometries; entanglement; quantum correlations; ultraviolet/infrared mixing; multi-messenger astrophysics; quantum information  
(This special issue belongs to the Section Foundations of Quantum Mechanics and Quantum Gravity)
The Royal Road: Eclipsing Binaries and Transiting Exoplanets, 2nd Edition
edited by Tamás Borkovits and
submission deadline 30 Jan 2026 | Viewed by 34 | Submission Open
Keywords: eclipsing binaries; transiting exoplanets; eclipse and transit timing variations; hierarchical multiple systems; multi-planet systems; ellipsoidal; reflection; and beaming effects of binary stars; phase curves of exoplanets; atmospheres of exoplanets; dynamics of multiple systems; formation and evolution of binary systems and planetary systems; interior structure of stars and planets; occurrence rates and frequencies of planets; brown dwarfs; and stars
(This special issue belongs to the Section Planetary Sciences)
Detection and Tracking of Near-Earth Asteroids
edited by
submission deadline 27 Feb 2026 | Viewed by 23 | Submission Open
Keywords: near-earth asteroids (NEAs); asteroid detection and tracking; asteroid composition and evolution; orbital dynamics; machine learning in astronomy; planetary defense; space-based observations; solar system dynamics
(This special issue belongs to the Section Planetary Sciences)
The Hidden Stories of Small Planetary Bodies
edited by Emese Forgacs-Dajka and Csaba Kiss
submission deadline 28 Feb 2026 | Viewed by 13 | Submission Open
Keywords: small solar system bodies; asteroids and comets; celestial dynamics; survey astronomy; machine learning in planetary science; multi-wavelength observations; data-driven modeling; evolution of minor planets; AI applications in space science; planetary mission science
(This special issue belongs to the Section Planetary Sciences)
Exploring the Heavy Ion Collisions in Particle Physics submission deadline 31 Mar 2026 | Viewed by 354 | Submission Open
Keywords: quark– gluon plasma; hadron resonance; partonic interactions; heavy ion collisions; particle physics; (anti)nuclei formation; physics beyond QCD; detector development; theoretical models
(This special issue belongs to the Section High Energy Nuclear and Particle Physics)
General Relativity, Modified Theories of Gravity and Their Applications in Astrophysics
edited by and Wenbin Lin
submission deadline 30 Apr 2026 | Viewed by 84 | Submission Open
Keywords: general relativity; modified theories of gravity; cosmology; post-Newtonian approximations; black hole physics; compact objects; numerical integration methods; chaotic dynamics; gravitational waves; planetary dynamics
(This special issue belongs to the Section Gravitation)
Celebrating the 110th Anniversary of General Relativity: Advances, Challenges and Perspectives submission deadline 30 Jun 2026 | Viewed by 48 | Submission Open
Keywords: general relativity; 110th anniversary; gravitation; cosmology; challenges in gravitational physics
(This special issue belongs to the Section Gravitation)
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