Cosmology and Nongalactic Astrophysics

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

Physics - Cosmology and Nongalactic Astrophysics