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. The journal’s Editor-in-Chief and/or designated EBM 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. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Developments and Technology Trends in the Space-Borne Instrumentation
edited by and
submission deadline 30 Apr 2024 | 4 articles | Viewed by 9567 | Submission Open
Keywords: in situ chemical analysis; planetary surface; planetary atmosphere; elemental (isotope) composition; isotope fractionation; organic and bioorganic compounds; capillary electrophoresis; gas/liquid chromatography; laser mass spectrometry (LIMS); LIBS; Raman spectroscopy; orbitrap; laser desorption; chemical surface imaging techniques; biosensors
(This special issue belongs to the Section Space Science)
Space Missions to Small Bodies: Results and Future Activities
edited by
submission deadline 30 Apr 2024 | 4 articles | Viewed by 5119 | Submission Open
Keywords: small bodies; planetary science; sample return; comets; asteroids; satellites
(This special issue belongs to the Section Planetary Sciences)
Quantum Fields and Quantum Geometry submission deadline 30 Apr 2024 | 2 articles | Viewed by 2422 | Submission Open
Keywords: quantum geometry; quantum field theory in curved spacetime; quantum gravity
(This special issue belongs to the Section Field Theory)
Universe: Feature Papers 2023—High Energy Nuclear and Particle Physics
edited by and Wolfgang Schafer
submission deadline 30 Apr 2024 | 2 articles | Viewed by 2026 | Submission Open
(This special issue belongs to the Section High Energy Nuclear and Particle Physics)
Exploring Quark Matter under Extreme Scenarios of Temperature and Density
edited by Souvik Priyam Adhya, Sandeep Chatterjee and Sreemoyee Sarkar
submission deadline 30 Apr 2024 | 1 articles | Viewed by 1196 | Submission Open
Keywords: heavy ion collisions; quark– gluon plasma; hard probes; collective dynamics; saturation; neutron star mergers; equation of state; transport coefficients; electromagnetic probes; chirality; small systems
(This special issue belongs to the Section High Energy Nuclear and Particle Physics)
Probing the Standard Model of Cosmology with Model-Independent Methods
edited by , Carlos Bengaly and Purba Mukherjee
submission deadline 30 Apr 2024 | 1 articles | Viewed by 1014 | Submission Open
(This special issue belongs to the Section Cosmology)
New Insights in Fast Radio Bursts
edited by
submission deadline 30 Apr 2024 | 1 articles | Viewed by 950 | Submission Open
Keywords: fast radio bursts; repeating and periodic FRBs; new facilities; novel methods; localisation; FRBs and ISM and IGM; FRBs and cosmology; FRBs and magnetars
(This special issue belongs to the Section Space Science)
Holographic Principle in Universe
edited by and
submission deadline 30 Apr 2024 | Viewed by 589 | Submission Open
Keywords: holographic principle; gauge/gravity duality; AdS/CFT correspondence; AdS/QCD correspondence; fluid/gravity correspondence; holographic universe; holographic information; holographic gravity
(This special issue belongs to the Section Gravitation)
Heavy Flavor Physics and Perturbative Quantum Chromodynamics Calculation
edited by Ruilin Zhu and Long-Bin Chen
submission deadline 30 Apr 2024 | Viewed by 238 | Submission Open
Keywords: perturbative QCD; heavy flavor physics; effective theory; higher-order calculation; QCD factorization
(This special issue belongs to the Section High Energy Nuclear and Particle Physics)
A Multiwavelength View of Supernovae
edited by
submission deadline 30 Apr 2024 | Viewed by 143 | Submission Open
Keywords: supernovae; core collapse; type Ia; binaries; evolution; circumstellar interactions; emission processes; thermal and non-thermal emission
(This special issue belongs to the Section Stellar Astronomy)
Recent Development and Prospects in Dark Matter Research submission deadline 1 May 2024 | 2 articles | Viewed by 2545 | Submission Open
(This special issue belongs to the Section Cosmology)
Probing the Early Universe
edited by
submission deadline 30 May 2024 | Viewed by 211 | Submission Open
Keywords: the Planck era (t < 10-43  s); grand unification era (t < 10-36  s); the inflationary era (t < 10-33  s); electroweak epoch (10-33  s < t < 10-12  s); quark era (10-12  s < t < 10-5  s); hadron era (10-5  s < t < 1 s); lepton era with neutrino decoupling (1 s < t < 10 s); cosmic nucleosynthesis (10 s < t < 1000 s); radiation dominated and ‘ foggy’ era (1000 s < t < 380; 000 years); recombination (18; 000 years < t < 380; 000 years); the dark era (380; 000 years < t < 150 million years); first stars and galaxies (200 to 400 million years); cosmic reionization (200 million to 1 billion years)
(This special issue belongs to the Section Cosmology)
Blazar Bursts: Theory and Observation
edited by Yunguo Jiang
submission deadline 31 May 2024 | Viewed by 212 | Submission Open
Keywords: active galactic nuclei; blazars; supermassive black holes; flat-spectrum radio quasars; individual BL Lacertae objects; observational astronomy; radiation mechanisms: general; polarization
(This special issue belongs to the Section Compact Objects)
Solar and Stellar Activity: Exploring the Cosmic Nexus
edited by Emese Forgacs-Dajka and Zsofia Bebesi
submission deadline 31 May 2024 | Viewed by 162 | Submission Open
Keywords: astrophysical HD/MHD; solar and stellar activity; space weather; solar and stellar dynamo
(This special issue belongs to the Section Space Science)
Planetary Space Weather
edited by , Sae Aizawa and Lina Hadid
submission deadline 31 May 2024 | Viewed by 103 | Submission Open
Keywords: space weather; planetary environment; solar– planet interactions; sun activity; magnetosphere dynamics
(This special issue belongs to the Section Planetary Sciences)
Quantum Physics including Gravity: Highlights and Novelties
edited by
submission deadline 30 Jun 2024 | 5 articles | Viewed by 7055 | Submission Open
Keywords: quantum physics; curved space-times; cosmology; black holes; semi-classical gravity; quantum gravity; trans-Planckian physics; quantum space-time
(This special issue belongs to the Section Gravitation)
Stellar Multi-Band Observational Studies in the Era of Big Data
edited by
submission deadline 30 Jun 2024 | 3 articles | Viewed by 4205 | Submission Open
Keywords: variable star; eclipsing binary; photospheric starspot; chromospheric activity; corona; flare; radio; X-ray; big data; statistic
(This special issue belongs to the Section Stellar Astronomy)
Neutrinos across Different Energy Scales submission deadline 30 Jun 2024 | 3 articles | Viewed by 2931 | Submission Open
Keywords: astroparticle physics; neutrino physics; primordial Universe; relic neutrinos; supernova neutrinos; solar neutrinos; atmospheric neutrinos; high-energy neutrinos; physics beyond the Standard Model
(This special issue belongs to the Section High Energy Nuclear and Particle Physics)
Focus on Active Galactic Nuclei
edited by Li Zhang and
submission deadline 30 Jun 2024 | 2 articles | Viewed by 2711 | Submission Open
Keywords: active galactic nuclei; supermassive black hole binaries; extragalactic gamma-ray astronomy; gamma-ray instrumentation; probabilistic models for astrophysical data
(This special issue belongs to the Section Galaxies and Clusters)
Advanced Studies in Gravitational Waves
edited by Arnab Dasgupta
submission deadline 30 Jun 2024 | 2 articles | Viewed by 2430 | Submission Open
Keywords: early universe phase transition; gravitational waves; topological defects; cosmic strings; domain walls; inflation
(This special issue belongs to the Section Gravitation)
Small-Scale Eruptions on the Sun submission deadline 30 Jun 2024 | 2 articles | Viewed by 2410 | Submission Open
Keywords: solar eruption; magnetic reconnection; coronal heating; magneto-hydrodynamics (MHD); spicules; jets; bright points; nano-flares; camp fires
(This special issue belongs to the Section Space Science)
The Large-Scale Structure of the Universe: Theory and Observation
edited by
submission deadline 30 Jun 2024 | 1 articles | Viewed by 1059 | Submission Open
Keywords: cosmology; large-structure of the universe; galaxy clusters; cosmic voids; cosmic web; gravitational instability; gravity theories; cosmological parameters; dark matter; dark energy; redshift surveys; gravitational lensing; numerical cosmology; statistical learning; theory; observation
(This special issue belongs to the Section Cosmology)
Formation and Evolution of Exoplanets
edited by Xian-Yu Wang
submission deadline 30 Jun 2024 | 1 articles | Viewed by 892 | Submission Open
Keywords: exoplanets; planetary system formation and evolution; planetary architectures; planetary dynamics; observational astronomy; astrophysical methods and techniques
(This special issue belongs to the Section Planetary Sciences)
Gravity and Cosmology: Exploring the Mysteries of f(T) Gravity
edited by , Hemily Gomes Marciano Fortes and
submission deadline 30 Jun 2024 | Viewed by 188 | Submission Open
Keywords: gravity; general relativity; teleparallel theory; torsion; extended teleparallel theory; cosmology; compact stars
(This special issue belongs to the Section Gravitation)
Advanced Studies in Ultra-High-Energy Cosmic Rays
edited by and François Montanet
submission deadline 30 Jul 2024 | Viewed by 380 | Submission Open
Keywords: cosmic rays; air showers; neutral particles; hadronic interactions; production processes; emission mechanisms; detection techniques; Monte Carlo simulations
(This special issue belongs to the Section Space Science)
Cosmological Models of the Universe submission deadline 31 Jul 2024 | 1 articles | Viewed by 1030 | Submission Open
Keywords: standard cosmological model; dark matter; dark energy; bounce cosmology; inflation cosmology; Λ CDM-cosmology; anisotropic cosmology
(This special issue belongs to the Section Cosmology)
The Nature of Dark Energy
edited by Alexander Bonilla and
submission deadline 31 Jul 2024 | Viewed by 382 | Submission Open
Keywords: modified gravity; dark energy parameterizations; holographic models and emergent gravity; inhomogeneous and anisotropic models; injection of energy in the early universe; dark bosons; dark radiation and dark matter models; machine learning and inference methods; new observational facilities
(This special issue belongs to the Section Cosmology)
Quantum Field Theory in Curved Spacetime and Its Implications for Cosmology, Blackholes and Quantum Gravity submission deadline 22 Aug 2024 | 6 articles | Viewed by 6660 | Submission Open
Keywords: quantum field theory in curved spacetime; quantum gravity; blackholes; cosmology
(This special issue belongs to the Section Foundations of Quantum Mechanics and Quantum Gravity)
A Multimessenger View of Supermassive Black Holes and the Quasar Main Sequence submission deadline 31 Aug 2024 | 6 articles | Viewed by 7749 | Submission Open
Keywords: quasars; active galactic nuclei; supermassive black holes; quasar main sequence
(This special issue belongs to the Section Galaxies and Clusters)
X-ray Astronomy Steps into the 21st Century: Chandra and XMM-Newton at 25
edited by
submission deadline 31 Aug 2024 | Viewed by 64 | Submission Open
Keywords: X-ray astrophysics; high-resolution X-ray imaging; diffraction grating X-ray spectroscopy; active galaxies; X-ray binaries; supernova remnants; normal galaxies; galaxy clusters
(This special issue belongs to the Section Space Science)
Particle Physics and Cosmology: A Themed Issue in Honor of Professor Dimitri Nanopoulos
edited by , , Tianjun Li and Natsumi Nagata
submission deadline 1 Sep 2024 | 1 articles | Viewed by 370 | Submission Open
Keywords: particle physics; supersymmetry; grand unified theory; string model building; cosmology
Neutrino Insights: Peering into the Subatomic Universe
edited by Guillermo D. Megias
submission deadline 15 Sep 2024 | Viewed by 51 | Submission Open
Keywords: neutrino physics; neutrino oscillations; electroweak interactions; CP violation; solar and atmospheric neutrinos; long-baseline accelerators; neutrino-nucleus reactions; low and high energy neutrinos
(This special issue belongs to the Section High Energy Nuclear and Particle Physics)
Newest Results in Gravitational Waves and Machine Learning
edited by , and Zhixiang Ren
submission deadline 30 Sep 2024 | 4 articles | Viewed by 4015 | Submission Open
Keywords: gravitational wave; artificial intelligence; machine learning; coalescence of binary compact objects; supernova; glitch classification; Einstein equation; numerical relativity; quantum gravity
(This special issue belongs to the Section Gravitation)
Comets: Tracers of Solar System Formation and Evolution—Celebrating the 20th Anniversary of Rosetta Mission Launch
edited by
submission deadline 30 Sep 2024 | 1 articles | Viewed by 1627 | Submission Open
Keywords: comets; protoplanetary disks; space missions/Rosetta; planetary formation; dust and pebble dynamics; cometary ices
(This special issue belongs to the Section Planetary Sciences)
Dark Energy and Dark Matter
edited by Yan Gong
submission deadline 30 Sep 2024 | 1 articles | Viewed by 1572 | Submission Open
Keywords: dark energy; dark matter; modified gravity; theoretical model; cosmic acceleration; cosmic large-scale structure; gravitational lensing; galaxy clustering; intensity mapping; cosmological constraint
(This special issue belongs to the Section Cosmology)
Planetary Radar Astronomy
edited by and Yan Su
submission deadline 30 Sep 2024 | 1 articles | Viewed by 1499 | Submission Open
Keywords: radar astronomy; lunar and planetary science; lunar and planetary radar detection; lunar and deep space exploration; radar observations of planets within the solar system; radar observations of planets and stars outside the solar system; Chang’ e-3/-4/-5; Tianwen-1 mission and perseverance rover mission
(This special issue belongs to the Section Planetary Sciences)
Ultra-High-Energy Cosmic Rays
edited by Haoning He
submission deadline 30 Sep 2024 | Viewed by 156 | Submission Open
Keywords: high energy neutrino; high energy gamma-ray; ultra-high-energy cosmic rays; particle acceleration; hadronic interactions; anisotropy; composition; multi-messenger astronomy; magnetic fields; Gamma-Ray Bursts (GRBs); galaxy clusters; Active Galactic Nuclei (AGN); Tidal Disruption Events (TDEs); radio galaxies; starburst galaxies; pulsars
(This special issue belongs to the Section High Energy Nuclear and Particle Physics)
Neutrino Masses and Oscillations
edited by Wenjie Wu and Qinrui Liu
submission deadline 30 Sep 2024 | Viewed by 52 | Submission Open
Keywords: neutrino oscillation; neutrino mixing; neutrino mass ordering; CP violation; reactor neutrinos; atmospheric neutrinos; accelerator neutrinos; solar neutrinos; sterile neutrinos
(This special issue belongs to the Section High Energy Nuclear and Particle Physics)
Jet and Heavy Flavor Production submission deadline 31 Oct 2024 | 3 articles | Viewed by 3105 | Submission Open
Keywords: ultra-relativistic heavy ion collisions; quark gluon plasma; jet production; heavy flavour production; transverse energy; small systems
(This special issue belongs to the Section High Energy Nuclear and Particle Physics)
Universe: Feature Papers 2024—"Galaxies and Clusters"
edited by
submission deadline 31 Oct 2024 | 2 articles | Viewed by 1876 | Submission Open
Keywords: galaxies and clusters; galaxy formation and evolution; the structure of galaxies; dwarf galaxies; star formation in galaxies; galaxy clustering; the halo of galaxies; galaxy satellites; dark matter in galaxies; lensing of galaxies; deep surface brightness images; galaxy counts; machine learning and artificial intelligence for galaxy/cluster analysis
(This special issue belongs to the Section Galaxies and Clusters)
Search for New Physics at the LHC and Future Colliders
edited by and
submission deadline 31 Oct 2024 | 1 articles | Viewed by 1511 | Submission Open
Keywords: beyond standard model physics; Large Hadron Collider; future proton-proton; electron-positron; electron-proton colliders; collider experiments; collider phenomenology; new techniques for collider physics; new physics in Flavor physics; new physics in Pb-Pb collisions; new physics related to Higgs bosons; high-order calculations in QFT related to new physics at colliders
(This special issue belongs to the Section High Energy Nuclear and Particle Physics)
Universe: Feature Papers 2024 – Compact Objects
edited by
submission deadline 31 Oct 2024 | Viewed by 312 | Submission Open
Keywords: compact object; neutron star; pulsar; magnetar; white dwarf; black hole; X-ray binary
(This special issue belongs to the Section Compact Objects)
Current Trends in Neutrino Oscillation Physics: A Phenomenological and Experimental Perspective
edited by and Budimir Kliček
submission deadline 31 Oct 2024 | Viewed by 55 | Submission Open
Keywords: neutrino oscillation; three flavour oscillation; beyond three flavour oscillation; models for neutrino mass and mixing; neutrino experiments; neutrino detectors; neutrino interactions
Universe: Feature Papers 2024–Cosmology submission deadline 31 Oct 2024 | Viewed by 47 | Submission Open
Keywords: cosmological models; quantum cosmology; dark matter and dark energy; cosmic acceleration; cosmological constants; cosmological perturbation theory; cosmic microwave background (CMB); observational cosmology
Measurements, Observations and Theoretical Studies on the Solar Magnetic Field—Celebrating the 40th Anniversary of the Huairou Solar Observing Station
edited by , Mei Zhang, Junfeng Hou, Jiaben Lin and
submission deadline 30 Nov 2024 | Viewed by 234 | Submission Open
Keywords: solar magnetic field; solar polarimetry; multi-wavelength diagnostic; topology analysis; astroinformatics; MHD; solar dynamo; space weather forecasting; solar historical data; space projects
(This special issue belongs to the Section Solar System)
Studying Astrophysics with High Energy Cosmic-Particles
edited by Kinwah Wu and
submission deadline 30 Nov 2024 | Viewed by 231 | Submission Open
(This special issue belongs to the Section Cosmology)
Universe: Feature Papers 2024—Space Science
edited by
submission deadline 30 Nov 2024 | Viewed by 79 | Submission Open
Keywords: space mission/instrument/telescope concepts; inflight/in preparation space instrument; instrument performance evaluation; detectors technologies and perspectives; imaging and timing techniques and methods; spectroscopy and polarimetry techniques and methods; observational and analysis techniques and methods; cosmic ray sources emission models; methods for observing gravitational waves and counterparts at other frequencies (from radio to gamma); methods and techniques for planetary (solar and extrasolar) science and exploration; space technology and biomedicine; environmental science; telecommunications; materials science
(This special issue belongs to the Section Space Science)
Challenges and Synergies with Future Gravitational Wave Observatories
edited by Vetrugno Daniele and Riccardo Buscicchio
submission deadline 30 Nov 2024 | Viewed by 58 | Submission Open
Keywords: gravitational waves; LISA; ET; einstein telescope; cosmic explorer; global fit; stochastic gravitational waves background; multifrequency GW observation; GW observatories synergies; GW data analysis
(This special issue belongs to the Section Astroinformatics and Astrostatistics)
Origins and Natures of Inflation, Dark Matter and Dark Energy, 2nd Edition
edited by
submission deadline 30 Nov 2024 | Viewed by 51 | Submission Open
Keywords: inflation; dark matter; dark energy; alternative theory of gravity; cosmology; physics in the early universe; cosmological perturbation theory; cosmic microwave background radiation; gravitational waves; large-scale structure of the universe
(This special issue belongs to the Section Cosmology)
keV Warm Dark Matter (ΛWDM) in Agreement with Observations in Tribute to Héctor J. de Vega (2nd Edition)
edited by
submission deadline 30 Nov 2024 | Viewed by 45 | Submission Open
Keywords: keV warm dark matter; keV warm dark matter theory; constraints; and observations; keV warm dark matter galaxies; keV warm dark matter supermassive black holes; keV warm dark matter particles; keV warm dark matter (direct and indirect) detection; neutrinos and sterile neutrinos; dark matter production models; direct and indirect searches
(This special issue belongs to the Section Gravitation)
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