Physics - Cosmology and Nongalactic Astrophysics

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Cosmology and Nongalactic Astrophysics The BNT Method: Transforming Weak Lensing Insights

A new method offers clearer views of cosmic structures through weak lensing.

Shiming Gu, Ludovic van Waerbeke, Francis Bernardeau

2025-02-11T08:17:14+00:00 ― 6 min read

Cosmology and Nongalactic Astrophysics New Methods in Weak Gravitational Lensing

Astronomers improve measurements of cosmic shear using innovative techniques for better understanding of dark matter.

Sacha Guerrini, Martin Kilbinger, Hubert Leterme

2025-02-11T05:53:56+00:00 ― 5 min read

Astrophysics of Galaxies The Hidden Power of Dwarf Galaxies

Dwarf galaxies hold secrets about dark matter and galaxy evolution.

Zhichao Carton Zeng, Annika H. G. Peter, Xiaolong Du

2025-02-11T00:19:34+00:00 ― 7 min read

Cosmology and Nongalactic Astrophysics Challenging the Cosmological Principle: Is the Universe Expanding Unevenly?

Scientists investigate anisotropic expansion's potential impact on our universe's understanding.

Paula Boubel, Matthew Colless, Khaled Said

2025-02-10T21:56:16+00:00 ― 5 min read

General Relativity and Quantum Cosmology Understanding the Friedmann Equations and Cosmic Expansion

Explore how the Friedmann equations explain the universe's growth and change.

Jaume de Haro, Emilio Elizalde, Supriya Pan

2025-02-10T09:12:00+00:00 ― 7 min read

Instrumentation and Methods for Astrophysics The Importance of Model Accuracy in Science

Model misspecification can lead to misleading scientific outcomes.

Noemi Anau Montel, James Alvey, Christoph Weniger

2025-02-10T01:14:20+00:00 ― 6 min read

Astrophysics of Galaxies The Hidden Power of Dwarf Galaxies

Dwarf galaxies shape the universe's evolution in surprising ways.

Pei-Cheng Tung, Ke-Jung Chen

2025-02-09T17:16:40+00:00 ― 6 min read

Cosmology and Nongalactic Astrophysics The Mysterious Dance of Dark Energy and Dark Matter

Unraveling the connection between dark energy and dark matter in our universe.

Jaelsson S. Lima, Rodrigo von Marttens, Luciano Casarini

2025-02-09T01:21:20+00:00 ― 5 min read

Cosmology and Nongalactic Astrophysics Unlocking the Secrets of Our Universe

Scientists probe cosmic mysteries like inflation and parity violation.

Matthew Reinhard, Zachary Slepian, Jiamin Hou

2025-02-07T23:52:48+00:00 ― 8 min read

High Energy Physics - Phenomenology Neutrinos and Cosmic Inflation: A Hidden Connection

Discover how neutrinos and cosmic inflation shape our universe.

Jingtao You, Linghao Song, Hong-Jian He

2025-02-07T22:17:16+00:00 ― 6 min read

Cosmology and Nongalactic Astrophysics The Enigma of Primordial Black Holes

Explore the mysteries of black holes and the gravitational waves they produce.

S. Clesse, V. Dandoy, S. Verma

2025-02-07T15:55:08+00:00 ― 6 min read

Cosmology and Nongalactic Astrophysics Unlocking the Mysteries of the Epoch of Reionization

Discover how machine learning aids in understanding our universe's early history.

Kimeel Sooknunan, Emma Chapman, Luke Conaboy

2025-02-07T02:23:06+00:00 ― 7 min read

Cosmology and Nongalactic Astrophysics Unraveling Cosmic Mysteries: CMB and Gravitational Waves

Discover how CMB and gravitational waves reveal the universe's secrets.

Hanchun Jiang, Toshiya Namikawa

2025-02-06T18:25:26+00:00 ― 8 min read

High Energy Physics - Phenomenology The Mystery of Dark Matter: Photon Effects

Discover the hidden influence of dark matter and its photon interactions.

Shao-Ping Li, Ke-Pan Xie

2025-02-06T08:52:14+00:00 ― 6 min read

Cosmology and Nongalactic Astrophysics Coasting Cosmologies: A Simpler Universe

Explore linear models of universe expansion and their implications.

Peter Raffai, Adrienn Pataki, Rebeka L. Böttger

2025-02-06T06:28:56+00:00 ― 7 min read

Cosmology and Nongalactic Astrophysics Gravitational Waves: Echoes of the Universe

Discover how gravitational waves reveal secrets of the early universe.

Alina Mierna, Sabino Matarrese, Nicola Bartolo

2025-02-06T00:54:34+00:00 ― 8 min read

General Relativity and Quantum Cosmology The Mystery of Cosmic Inflation Uncovered

Delve into the early universe's rapid expansion and its implications.

Ioannis D. Gialamas, Antonio Racioppi

2025-02-01T09:27:14+00:00 ― 7 min read

High Energy Physics - Phenomenology Vector-like Quarks: A New Hope for Dark Matter

Exploring how vector-like quarks may unlock dark matter mysteries.

Prasanta Kumar Das, Shyamashish Dey, Saumyen Kundu

2025-02-01T06:16:10+00:00 ― 6 min read

High Energy Physics - Phenomenology Unraveling the Mystery of Freeze-In Dark Matter

A new theory proposes how dark matter might form in the early universe.

Xinyue Yin, Shuai Xu, Sibo Zheng

2025-01-29T20:56:58+00:00 ― 7 min read

General Relativity and Quantum Cosmology The Changing Speed of Light: A New Look at Cosmology

Discover how varying light speed could reshape our view of the universe.

Seokcheon Lee

2025-01-27T12:25:32+00:00 ― 8 min read

High Energy Physics - Theory The Mystery of Soliton Foam in the Universe

Explore the fascinating role of soliton foam in shaping the cosmos.

A. A. Kirillov, B. S. Murygin, V. V. Nikulin

2025-01-27T06:03:24+00:00 ― 7 min read

High Energy Physics - Phenomenology Cracking the Strong CP Problem: A New Approach

Scientists tackle the strong CP problem with the Nelson-Barr model and axions.

Kai Murai, Kazunori Nakayama

2025-01-26T12:32:32+00:00 ― 7 min read

High Energy Physics - Theory The Cosmic Dance: Inflation, Axions, and Our Universe

Discover the role of inflation and axions in shaping the universe.

Renata Kallosh, Andrei Linde

2025-01-25T23:00:30+00:00 ― 8 min read

Cosmology and Nongalactic Astrophysics The Hubble Tension: An Ongoing Cosmic Mystery

Scientists debate the conflicting measurements of the universe's expansion rate.

Shubham Barua, Shantanu Desai

2025-01-25T15:50:36+00:00 ― 6 min read

Cosmology and Nongalactic Astrophysics The Cosmic Lens of MACS J0138.0-2155

Discover the wonders of the MACS J0138.0-2155 galaxy cluster and its supernovae.

Abigail Flowers, Jackson H. O'Donnell, Tesla E. Jeltema

2025-01-24T14:22:04+00:00 ― 7 min read

Astrophysics of Galaxies Galaxies and Dark Matter: A Cosmic Connection

Exploring the bond between emission-line galaxies and dark matter halos.

Shogo Ishikawa, Teppei Okumura, Masao Hayashi

2025-01-24T04:48:52+00:00 ― 6 min read

Cosmology and Nongalactic Astrophysics The Mystery of Primordial Black Holes

Exploring the intriguing theories behind primordial black holes and their cosmic role.

Xiaoding Wang, Xiao-Han Ma, Yi-Fu Cai

2025-01-23T08:54:42+00:00 ― 6 min read

High Energy Physics - Phenomenology Unraveling the Secrets of Dark Matter

Discover how dwarf galaxies reveal dark matter's hidden properties.

Fedor Bezrukov, Dmitry Gorbunov, Ekaterina Koreshkova

2025-01-21T01:58:48+00:00 ― 6 min read

Cosmology and Nongalactic Astrophysics The Cosmic Dance of Gravitons and Thermal Radiation

Discover the playful interactions of gravitons in the early universe.

Atsuhisa Ota

2025-01-20T14:02:18+00:00 ― 6 min read

High Energy Physics - Phenomenology Heavy Axion-like Particles: Unraveling Cosmic Mysteries

Heavy axion-like particles may hold keys to dark matter and cosmic forces.

James H. Buckley, P. S. Bhupal Dev, Francesc Ferrer

2025-01-19T17:20:22+00:00 ― 7 min read

High Energy Physics - Phenomenology The Enigma of Dark Matter and Gravitational Waves

Discover the mysterious connection between dark matter and gravitational waves.

Yong Xu

2025-01-19T12:33:46+00:00 ― 6 min read

High Energy Physics - Phenomenology Unraveling Neutrinos: The Dance of Tiny Particles

Dive into the mysteries of neutrinos and their cosmic connections.

Chengcheng Han, Hong-Jian He, Linghao Song

2025-01-19T05:23:52+00:00 ― 8 min read

Cosmology and Nongalactic Astrophysics Deciphering the 21cm Signal: A Cosmic Quest

Discover how the 21cm signal reveals secrets of the universe's early days.

Hayato Shimabukuro

2025-01-18T11:05:14+00:00 ― 6 min read

General Relativity and Quantum Cosmology Rethinking Gravity: The Secrets of Cosmic Expansion

Scientists are investigating modified gravity theories to understand the Universe's rapid expansion.

Shambel Sahlu, Amare Abebe

2025-01-18T08:41:56+00:00 ― 7 min read

High Energy Physics - Phenomenology Neutrinos: The Shy Particles of the Cosmos

Discover how elusive neutrinos may shape the universe's structure.

David E. Kaplan, Xuheng Luo, Surjeet Rajendran

2025-01-18T03:07:34+00:00 ― 7 min read