Universe

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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Bouncing Cosmology and the Early Universe: From Theory to Observations

edited by

Arnab Dasgupta

submission deadline 31 May 2026 | 1 articles | Viewed by 1773 | Submission Open

Keywords: bouncing cosmology; cyclic universe; cosmic microwave background (CMB); matter– antimatter asymmetry; dark energy and dark matter

(This special issue belongs to the Section Cosmology)

String Theory and Particle Physics: A Themed Issue in Honor of Professor Ignatios Antoniadis on the Occasion of His 70th Birthday

edited by George K. Leontaris

submission deadline 31 May 2026 | Viewed by 129 | Submission Open

Keywords: string theory; particle physics; supersymmetry; quantum gravity; cosmology

Strong Gravitational Lensing in Observational Astrophysics and Cosmology

edited by

Jingzhao Qi

submission deadline 31 May 2026 | Viewed by 113 | Submission Open

Keywords: time-delay cosmography; Hubble constant; lens modeling; cosmological probes; lensed transients; machine learning; high-redshift galaxies

(This special issue belongs to the Section Cosmology)

Celebrating the 110th Anniversary of General Relativity: Advances, Challenges and Perspectives

edited by

Lorenzo Iorio

and

Øyvind Grøn

submission deadline 30 Jun 2026 | 8 articles | Viewed by 4018 | Submission Open

Keywords: general relativity; 110th anniversary; gravitation; cosmology; challenges in gravitational physics

(This special issue belongs to the Section Gravitation)

Search for New Physics Through Combined Approaches

edited by Yang Zhang and

Fei Wang

submission deadline 30 Jun 2026 | 2 articles | Viewed by 1934 | Submission Open

Keywords: beyond standard model physics; grand unified theory; collider physics; Higgs physics; electroweak precision measurements; dark matter; electroweak phase transition; gravitational wave

(This special issue belongs to the Section High Energy Nuclear and Particle Physics)

Ultralight Bosonic Dark Matter: Theoretical Developments and Experimental Searches

edited by Dmitry Budker, Hendrik Bekker, Alexander Sushkov and Arne Wickenbrock

submission deadline 30 Jun 2026 | Viewed by 219 | Submission Open

Keywords: dark matter; exotic spin-dependent interactions; sensor networks; axion quark nuggets; Aharonov– Casher effect; nuclear spin hyperpolarization

Solar Activity During Cycle 25

edited by Hui Li and

Jianchao Xue

submission deadline 30 Jun 2026 | Viewed by 170 | Submission Open

Keywords: solar magnetic field; solar flares; coronal mass ejections (CMEs); chromospheric and coronal heating; prominences/filaments and jets; solar activity and space weather; solar activity diagnosis with machine learning; solar instrumentation

(This special issue belongs to the Section Solar and Stellar Physics)

Hairy Black Holes: Insights and Advances

edited by

Xiao Yan Chew

and Jose Luis Blázquez-Salcedo

submission deadline 30 Jun 2026 | Viewed by 35 | Submission Open

Keywords: hairy black holes; general relativity; modified gravity; gravitational waves; black hole shadows; quantum gravity; no-hair theorem; numerical relativity; dark matter models; Event Horizon Telescope

(This special issue belongs to the Section Compact Objects)

Exploring the Formation and Impact of Type Ia Supernovae

edited by Umberto Battino, Benjamin Rose and Robert Izzard

submission deadline 25 Sep 2026 | Viewed by 332 | Submission Open

Keywords: light curves; supernovae; nucleosynthesis; nuclear reactions; galactic chemical evolution; supernova remnants; cosmic expansion

(This special issue belongs to the Section Solar and Stellar Physics)

Neutrino Oscillations and Interactions

edited by

Oleksandr Tomalak

submission deadline 30 Oct 2026 | Viewed by 21 | Submission Open

Keywords: neutrino oscillation parameters; PMNS matrix; neutrino interactions; neutrino mass hierarchy; charge-parity (CP) violation

(This special issue belongs to the Section High Energy Nuclear and Particle Physics)

Oscillations and Instabilities of Solar Filaments

edited by

Yuandeng Shen

and

Qingmin Zhang

submission deadline 31 Dec 2026 | Viewed by 147 | Submission Open

Keywords: solar filaments; solar prominences; filament oscillations; MHD waves; coronal seismology; filament instabilities; solar eruptions; coronal mass ejections (CMEs)

(This special issue belongs to the Section Solar and Stellar Physics)

Thermal, Dynamic and Magnetic Properties of Solar Jets

edited by Ruisheng Zheng, Jiajia Liu and

Qingmin Zhang

submission deadline 31 Dec 2026 | Viewed by 57 | Submission Open

Keywords: solar jets; coronal mass ejections; solar flares; solar activities; magnetic fields; magnetic reconnection; particle acceleration

(This special issue belongs to the Section Solar and Stellar Physics)

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

edited by

Hassen Yesuf

submission deadline 31 Dec 2026 | Viewed by 5 | Submission Open

Keywords: spatially resolved analysis; star formation; feedback; baryon cycle; nuclear activity; galaxy environment

(This special issue belongs to the Section Galaxies and Clusters)

Displaying special issue 51-100 on page 2 of 2.

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