Physics - Cosmology and Nongalactic Astrophysics

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Cosmology and Nongalactic Astrophysics The Mystery of Dark Energy and Supernovae

A look into dark energy's nature through supernova research.

George Efstathiou

1 hour ago ― 4 min read

Latest Articles

Cosmology and Nongalactic Astrophysics Profile Likelihoods: A Tool for Cosmology

Exploring the use of profile likelihoods in analyzing cosmological parameters.

Laura Herold, Elisa G. M. Ferreira, Lukas Heinrich

13 hours ago ― 7 min read

Cosmology and Nongalactic Astrophysics Advancing Cosmic Structure Formation with Machine Learning

A new emulator speeds up the study of cosmic structure formation using machine learning.

Drew Jamieson, Yin Li, Francisco Villaescusa-Navarro

13 hours ago ― 5 min read

Cosmology and Nongalactic Astrophysics New Approaches to Cosmological Data Analysis

Examining discrepancies in cosmological measurements using non-Gaussian methods.

Pedro Riba Mello, Miguel Quartin, Bjoern Malte Schaefer

22 hours ago ― 6 min read

High Energy Physics - Phenomenology Connecting Cold Dark Matter and Dark Energy: A New Theory

A new theory links dark matter and dark energy through fermion interactions.

Guanming Liang, Robert R. Caldwell

23 hours ago ― 5 min read

High Energy Physics - Phenomenology Investigating Axions as Dark Matter Candidates

Examining axions and their production mechanisms for understanding dark matter.

Cem Eröncel, Ryosuke Sato, Géraldine Servant

23 hours ago ― 4 min read

General Relativity and Quantum Cosmology Investigating Axion Clouds in Binary Black Hole Systems

Study reveals how axion clouds affect black hole mergers and gravitational wave signatures.

Takuya Takahashi, Hidetoshi Omiya, Takahiro Tanaka

23 hours ago ― 6 min read

Cosmology and Nongalactic Astrophysics Examining Cosmic Birefringence and Dark Matter

A look into cosmic birefringence, ultralight axion-like particles, and their implications.

Dongdong Zhang, Elisa G. M. Ferreira, Ippei Obata

Jun 23, 2025 ― 5 min read

High Energy Astrophysical Phenomena Investigating Dark Matter through Dwarf Spheroidal Galaxies

Research on dark matter and dwarf spheroidal galaxies reveals crucial insights.

MAGIC Collaboration

Jun 23, 2025 ― 5 min read

Cosmology and Nongalactic Astrophysics Investigating the Role of Dark Energy in Cosmic Expansion

Examining how dark energy affects the universe's expansion and structure.

Dave B. H. Verweg, Bernard J. T. Jones, Rien van de Weygaert

Jun 23, 2025 ― 7 min read

Cosmology and Nongalactic Astrophysics Advancements in Cosmic Simulation Techniques

New methods improve accuracy and speed in studying the universe's structure.

Xiaowen Zhang, Patrick Lachance, Ankita Dasgupta

Jun 23, 2025 ― 8 min read

High Energy Astrophysical Phenomena Gravitational Waves and Black Hole Mergers

Exploring the link between gravitational waves and black hole populations.

Ming-Feng Ho, Scott Ellis Perkins, Simeon Bird

Jun 23, 2025 ― 7 min read

Cosmology and Nongalactic Astrophysics Quasiparticles and Cosmic Inflation: A Unified View

Examining quasiparticles during cosmic inflation reveals insights into the universe's early conditions.

Jay Hubisz, Seung J. Lee, He Li

Jun 23, 2025 ― 6 min read

Cosmology and Nongalactic Astrophysics Improving Hydrogen Signal Detection in the Universe

Researchers refine methods to detect vital hydrogen signals in cosmic studies.

Haochen Wang, Kiyoshi Masui, Kevin Bandura

Jun 23, 2025 ― 8 min read

Cosmology and Nongalactic Astrophysics Anisotropic Dark Energy: Rethinking Cosmic Expansion

Study reveals energy may behave differently in various directions of the universe.

Anshul Verma, Pavan K. Aluri, David F. Mota

Jun 23, 2025 ― 5 min read

High Energy Physics - Phenomenology From Inflation to Hot Big Bang: The Cosmic Transition

This article explores the processes from cosmic inflation to a hot universe.

Motohiko Yoshimura, Kunio Kaneta, Kin-ya Oda

Jun 23, 2025 ― 5 min read

Cosmology and Nongalactic Astrophysics The Shape and Behavior of Dark Matter Halos

This article discusses how dark matter halos can reveal insights about gravity.

Remy Koskas, Jean-Michel Alimi

Jun 23, 2025 ― 5 min read

High Energy Physics - Phenomenology Unraveling the Electroweak Phase Transition

A look at the electroweak phase transition and its cosmic implications.

Renhui Qin, Ligong Bian

Jun 22, 2025 ― 4 min read

High Energy Astrophysical Phenomena Studying Fast Radio Bursts: Insights and Challenges

Researchers analyze energy distribution of fast radio bursts to learn about cosmic events.

W. R. Arcus, C. W. James, R. D. Ekers

Jun 22, 2025 ― 6 min read

Instrumentation and Methods for Astrophysics SPIDER: Mapping the Cosmic Microwave Background

SPIDER studies cosmic microwave background radiation to enhance our knowledge of the universe's origins.

Elle C. Shaw, P. A. R. Ade, S. Akers

Jun 22, 2025 ― 5 min read

General Relativity and Quantum Cosmology Gravitational Waves: New Insights into Cosmic Expansion

Gravitational waves offer a fresh approach to measuring the Hubble constant.

Yijun Wang, Yanbei Chen

Jun 22, 2025 ― 6 min read

Instrumentation and Methods for Astrophysics A New Method for Studying Galaxy Cluster Miscentering

Research unveils a better approach to understand galaxy cluster miscentering effects.

Matthew Currie, Kyle Miller, Tae-Hyeon Shin

Jun 22, 2025 ― 6 min read

Astrophysics of Galaxies The Gravitational Dance of DESI-090.9854-35.9683

Exploring the lensing effects of a remarkable cosmic structure.

William Sheu, Aleksandar Cikota, Xiaosheng Huang

Jun 22, 2025 ― 5 min read

Astrophysics of Galaxies New Insights into Elliptical Galaxies and Dark Matter

Study reveals new details about the structure of massive elliptical galaxies.

William Sheu, Anowar J. Shajib, Tommaso Treu

Jun 22, 2025 ― 5 min read

Cosmology and Nongalactic Astrophysics Reassessing Big-Bang Nucleosynthesis in a New Context

New models challenge traditional views on light element formation post-Big Bang.

Akira Dohi, Issei Koga, Kazushige Ueda

Jun 22, 2025 ― 5 min read

High Energy Physics - Phenomenology Higgs Boson and the Mysteries of Mass

Exploring the Higgs mass and its implications for stability and new physics.

Sean Benevedes, Thomas Steingasser, Sokratis Trifinopoulos

Jun 22, 2025 ― 4 min read

High Energy Astrophysical Phenomena NANOGrav: Shedding Light on Gravitational Waves

NANOGrav's data reveals insights into the nature of gravitational waves over 15 years.

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald

Jun 22, 2025 ― 5 min read

General Relativity and Quantum Cosmology Gravitational Waves: A New Window to the Universe

Learn how gravitational waves reveal secrets of the cosmos.

Bill Atkins, Ameek Malhotra, Gianmassimo Tasinato

Jun 22, 2025 ― 6 min read

Cosmology and Nongalactic Astrophysics New Insights into the 21-cm Signal from the Early Universe

Researchers use advanced models to refine our understanding of the Universe's first stars.

Anshuman Acharya, Florent Mertens, Benedetta Ciardi

Jun 22, 2025 ― 5 min read

Cosmology and Nongalactic Astrophysics Understanding the Origins of Supermassive Black Holes

Exploring the formation theories of supermassive black holes in the universe.

Shyam Balaji, Shin'ichiro Ando, Malcolm Fairbairn

Jun 21, 2025 ― 5 min read

Cosmology and Nongalactic Astrophysics Studying Galaxy Multiplets and Gravitational Forces

Research reveals how small galaxy groups interact with cosmic structures.

Claire Lamman, Daniel Eisenstein, Jaime E. Forero-Romero

Jun 21, 2025 ― 5 min read

High Energy Astrophysical Phenomena Gamma Rays and Galaxy Clusters: A New Study

Researchers study gamma-ray emissions from galaxy cluster SPT-CL J2012-5649, contributing valuable information.

Siddhant Manna, Shantanu Desai

Jun 21, 2025 ― 5 min read

Cosmology and Nongalactic Astrophysics Studying the Universe's Zero-Expansion Regions

Exploring how cosmic structures reveal insights into the universe's behavior.

Jan J. Ostrowski, Ismael Delgado Gaspar

Jun 21, 2025 ― 5 min read

High Energy Physics - Phenomenology Investigating Super-WIMPs: A New Look at Dark Matter

Exploring the potential of super-WIMPs as dark matter candidates.

Weiyi Deng, Liyuan Guo, Chengcheng Han

Jun 21, 2025 ― 7 min read

Cosmology and Nongalactic Astrophysics Vector Fields and the Nature of Dark Matter

Exploring how vector fields contribute to our understanding of dark matter.

Tomás Ferreira Chase, Matías Leizerovich, Diana López Nacir

Jun 21, 2025 ― 5 min read

General Relativity and Quantum Cosmology Investigating Cosmic Growth through Modified Gravity

A study on how gravity affects the growth of cosmic structures.

Dalale Mhamdi, Safae Dahmani, Amine Bouali

Jun 21, 2025 ― 5 min read

General Relativity and Quantum Cosmology The Dance of Black Holes and Dark Matter

Examining the merger rates of black holes influenced by dark matter and gravity models.

Saeed Fakhry, Sara Gholamhoseinian, Marzieh Farhang

Jun 21, 2025 ― 7 min read

High Energy Physics - Phenomenology The Quest for Superheavy Dark Matter

Investigating the origins and behavior of superheavy dark matter in the universe.

Sarunas Verner

Jun 21, 2025 ― 5 min read

High Energy Physics - Theory NANOGrav Study Highlights Links Between Gravity and Early Universe

Recent NANOGrav findings suggest connections between no-scale supergravity, primordial black holes, and gravitational waves.

Spyros Basilakos, Dimitri V. Nanopoulos, Theodoros Papanikolaou

Jun 20, 2025 ― 5 min read

Astrophysics of Galaxies NEXUS: A New Survey of Distant Galaxies

NEXUS utilizes JWST to study galaxies and their evolution over time.

Yue Shen, Ming-Yang Zhuang, Junyao Li

Jun 20, 2025 ― 4 min read

High Energy Physics - Phenomenology Mysteries of Dark Matter and Neutron Stars

Uncovering the secrets of dark matter through neutron stars and black holes.

Hooman Davoudiasl

Jun 20, 2025 ― 5 min read