Dark matter
Concept in cosmology
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We include updates on Neutrino, Axion, Lambda-CDM model, Primordial black hole, Vera Rubin, Modified Newtonian dynamics, Weakly interacting massive particle, Sterile neutrino, Navarro–Frenk–White profile, Massive compact halo object, MACS J0416.1-2403, Bullet Cluster, Axino, X17 particle, Alpha Magnetic Spectrometer, Neutralino ... and more.
| May 2025 |
ARRAKIHS
Scientific preparation phase of ARRAKIHS officially began, utilizing a terrestrial demonstrator of the iSIM-170 camera at the Astrophysical Observatory of Javalambre in Spain.
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| 2025 | Operation at Canfranc Underground Laboratory is granted until the end of the year, allowing continued research on dark matter detection and potential sensitivity improvements. |
| 2025 |
Lambda-CDM model
The DESI Collaboration published observations suggesting that dark energy, traditionally considered a constant in the Lambda-CDM model, may be weakening over time, challenging the fundamental assumptions of the cosmological model.
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| 2025 |
Cryogenic Observatory for Signatures Seen in Next-Generation Underground Searches
COSINUS is scheduled to begin data recording at the end of 2025, utilizing cryogenic detectors with sodium iodide crystals to search for rare dark matter interactions.
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| 2025 |
Vera Rubin
Will be honored on a U.S. quarter as part of the American Women quarters program.
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| January 2025 |
ARRAKIHS
Spanish company Added Value Solutions (AVS) won a contract for the initial phases of the project, including preliminary spacecraft design and technology risk reduction.
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| January 2025 |
ARRAKIHS
Spanish company Added Value Solutions (AVS) and a Belgian subsidiary of Redwire won contracts for initial project phases, including preliminary spacecraft design and technology risk reduction.
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| 2024 | SNOLAB announced plans to host its first quantum computing experiment, which will investigate the performance of superconducting qubits when shielded from cosmic rays in the underground laboratory. |
| 2024 |
Axion
CERN Axion Solar Telescope (CAST) reached the axion-photon coupling limit of 5.8 × 10^-11 GeV^-1 at 95% confidence level for axions with mass near 0.02 eV.
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| 2024 |
Cryogenic Observatory for Signatures Seen in Next-Generation Underground Searches
COSINUS scientific collaboration was officially inaugurated in Spring 2024, marking the beginning of its dark matter detection research project at the Gran Sasso National Laboratory in Italy.
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| 2024 |
Primordial black hole
A review by Bernard Carr and colleagues concluded that primordial black holes formed in the quantum chromodynamics (QCD) epoch before 10–5 seconds after the Big Bang, resulting in a mass distribution with distinct bumps, most prominently around one solar mass.
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| 2024 |
Dwarf galaxy problem
Discoveries indicate that the number of satellite galaxies around the Milky Way might be around 500, challenging previous simulations that predicted fewer galaxies.
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| 2024 |
Dwarf galaxy problem
Construction of the Vera C. Rubin Observatory is completed, which is expected to conduct wide field surveys to help scientists better understand the dwarf galaxy problem through future sky observations.
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| 2024 |
Modified Newtonian dynamics
A study claimed that the universe's earliest galaxies formed and grew too rapidly to be explained by the Lambda-CDM model, but such rapid growth was predicted by MOND theory.
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| September 2024 |
Self-interacting dark matter
Another scientific study proposed that SIDM, along with fuzzy cold dark matter, could potentially resolve the 'final-parsec problem'.
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| September 2024 |
Self-interacting dark matter
A follow-up study proposed that both SIDM and fuzzy cold dark matter might provide a solution to the 'final-parsec problem'.
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| July 2024 |
Self-interacting dark matter
A scientific study was published proposing that self-interacting dark matter (SIDM) could solve the 'final-parsec problem' in astronomical research.
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| June 2 2024 |
Vera Rubin
Nvidia announced their next generation of data center accelerators would be named after her, with the CPU named Vera and GPU named Rubin.
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| April 2024 | At the APS April meeting, the AMS collaboration argued that their 230-billion cosmic ray dataset, collected over twelve years aboard the ISS, necessitates a reevaluation of existing cosmic models. |
| April 2024 |
DAMA/LIBRA
SABRE collaboration published an executive summary providing in-depth details of the detector's design.
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| April 2024 | Extensive cosmic ray dataset discussed at the APS April meeting, challenging existing theoretical models of the cosmos. |
| March 2024 |
ARRAKIHS
ESA published a call for the definition, development, and operation of the mission.
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| January 2024 |
DAMA/LIBRA
The main muon system for the SABRE experiment was installed at SUPL.
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| 2023 | SNO+ research team published a paper demonstrating the experiment's ability to monitor nuclear reactors using liquid scintillator in the original SNO experiment chamber. |
| 2023 |
DAMA/LIBRA
Data collection for the SABRE experiment planned to start at the Stawell Underground Physics Laboratory.
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| 2023 |
Sterile neutrino
CMS experiment set new limits for sterile neutrinos with specific mass ranges.
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| 2023 |
Sterile neutrino
CMS experiment set new limits for sterile neutrinos with masses of 2–3 GeV.
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| 2023 |
Fuzzy cold dark matter
New research revealed evidence suggesting ultralight axions (a form of fuzzy dark matter) may better explain gravitational lens data compared to WIMP dark matter models, potentially advancing understanding of dark matter composition.
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| 2023 |
Dark galaxy
Nube, a potential dark galaxy, was discovered through deep optical imagery analysis in the Stripe 82 region. This discovery is significant as Nube is classified as an 'almost dark galaxy' due to its extremely low surface brightness.
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| 2023 |
Modified Newtonian dynamics
A research study concluded that cold dark matter cannot adequately explain galactic rotation curves, while MOND provides a more comprehensive explanation.
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| 2023 |
Modified Newtonian dynamics
A study measured the acceleration of 26,615 wide binaries within 200 parsecs, demonstrating systematic deviations from Newtonian dynamics and conformity with MOND (AQUAL) predictions. The results remain disputed among researchers.
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| November 2023 |
ARRAKIHS
The ARRAKIHS consortium successfully passed the mission definition review of the project.
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| November 26 2023 |
Primordial black hole
First evidence of an overmassive black hole galaxy was reported, found in studies of UHZ1 using the Chandra X-ray Observatory and James Webb Space Telescope, demonstrating an alternative black hole formation method.
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| October 2023 |
DAMA/LIBRA
First piece of equipment for the SABRE experiment, the muon veto, was installed at SUPL.
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| May 2023 |
Axion
ALPS II experiment began collecting data in May, continuing the search for axion detection.
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| January 2023 |
Sterile neutrino
STEREO experiment published final results rejecting the hypothesis of a light sterile neutrino with a mass of around 1 eV.
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| 2022 | ANAIS-112 project aims to reach a sensitivity above 3σ in its scheduled 5 years of data taking. |
| 2022 |
Axion
João G. Rosa and Thomas W. Kephart used data from M87* to constrain the mass of axions, exploring their potential role in explaining dark matter and fast radio bursts.
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| 2022 |
Axion
The Event Horizon Telescope used polarized light measurements of Messier 87* to constrain the mass of axions, rejecting an approximate mass range by exploring hypothetical axion clouds around a black hole.
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| 2022 | CAST completed its operational period after nearly two decades of axion and axion-like particle research. |
| 2022 |
DAMA/LIBRA
SABRE experiment planned to be brought underground to SUPL during the last months of the year.
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| 2022 | CERN Axion Solar Telescope (CAST) concludes its operational period after nearly two decades of research into solar axions and Axion-Like Particles. |
| 2022 |
Dwarf galaxy problem
Density profile studies suggested that dwarf galaxies have a constant-density core, which contradicts dark matter simulations that predicted lower baryon density.
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| 2022 |
Modified Newtonian dynamics
Kroupa et al. published a study of open star clusters, arguing that asymmetry in tidal tails and cluster lifetimes are inconsistent with Newtonian dynamics but consistent with MOND theory.
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| 2022 |
Modified Newtonian dynamics
A survey of dwarf galaxies from the Fornax Deep Survey (FDS) catalogue was published, with astronomers and physicists concluding that observed deformations of dwarf galaxies in the Fornax Cluster and the lack of low surface brightness dwarfs towards its centre are incompatible with ΛCDM expectations but consistent with MOND theory.
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| November 2022 |
DAMA/NaI
New results from COSINE-100 experiment after 1.7 years of data collection failed to replicate the signal originally reported by DAMA.
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| November 2022 |
ARRAKIHS
European Space Agency (ESA) selected ARRAKIHS as its second F-class mission.
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| October 2022 | Announced discovery of exoplanet MOA-2020-BLG-208Lb through microlensing survey |
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This contents of the box above is based on material from the Wikipedia articles Primordial black hole, Dwarf galaxy problem, Dark galaxy, DAMA/NaI, Microlensing Observations in Astrophysics, Mirror matter, ARRAKIHS, SNOLAB, Vera Rubin, Modified Newtonian dynamics, DAMA/LIBRA, Fuzzy cold dark matter, Lambda-CDM model, Cryogenic Observatory for Signatures Seen in Next-Generation Underground Searches, Sterile neutrino, International Axion Observatory, Axion, Alpha Magnetic Spectrometer, Self-interacting dark matter & ANAIS-112, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.