Dark Matter and Dark Energy May Be Talking to Each Other, But the Cosmos Keeps Its Secrets
A new joint analysis using DESI DR2 baryon acoustic oscillations, supernovae, cosmic chronometers and CMB priors finds only weak support ...
Tag: Lambda-CDM
DESI Data Put Holographic Dark Energy Models to the Test
A new comparative analysis using DESI DR2 baryon acoustic oscillations, supernovae, and cosmic chronometers finds that holographic dark energy models ...
Cosmological Data Suggest the Universe Will Never End in a Big Crunch
A new study of nonminimally coupled quintessence shows that observational data favor parameter regions in which the universe avoids a ...
Sticky Dark Energy: Friction in the Cosmic Fluid Could Explain the Universe’s Speed-Up
A new Bayesian analysis combining DESI DR2, supernova, and Planck data shows that bulk viscosity in a dark energy fluid ...
One Field to Rule the Dark Sector: New Gravity Model Takes Aim at the Hubble Tension
A new scalar-vector-tensor theory of gravity unifies dark energy and dark matter while offering a mathematically consistent route to easing ...
Mock Universe Stress Test Finds Dark Energy Hints May Be Statistical Illusions
A new mock-ensemble analysis shows that single-probe cosmological datasets generated from a perfect cosmological-constant universe can still produce posterior shifts ...
Rebuilding Dark Energy From Scratch: Gravity Without Energy Conservation Gets a New Mathematical Toolkit
Physicists have devised a dynamical systems method that reconstructs the energy diffusion function of unimodular gravity directly from cosmological phase-space ...
DESI Data Squeeze Dark Energy’s Secret Handshake With Dark Matter to the Brink of Detection
A new multi-probe analysis combining DESI DR2 baryon acoustic oscillations, Pantheon+ supernovae, cosmic microwave background data, and redshift-space distortions constrains ...
Black Holes, Gravitational Waves and the Fate of Spacetime Take Center Stage at Vatican Conference
The Lemaître Conference 2024 at the Vatican Observatory gathered leading physicists to tackle the Hubble tension, black hole singularities, gravitational ...
Lunar Telescopes Could Turn the Dark Ages into a New Window on Fundamental Cosmology
New forecasts show that lunar far-side radio observations of the dark ages 21-cm signal could distinguish exotic dark matter and ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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