Cosmic acceleration without dark energy? Two bold alternatives put to the test
A new review presents two dark-energy-free models, one based on the Milky Way's hyperbolic motion and one on a modified ...
Tag: Hubble tension
Cosmologists Weigh the CMB Lensing Anomaly with Planck, ACT and DESI Data
A new analysis combining Planck, ACT DR6, DESI DR2 and PantheonPlus data finds the CMB lensing amplitude deviating from the ...
Galaxy Clusters Reveal Hints of Cosmic Anisotropy, but the Universe Refuses to Break Its Symmetry Just Yet
Applying the dipole fitting method to 313 X-ray galaxy clusters for the first time, researchers find faint hints of a ...
DESI Data Put Dark Sector Energy Transfer to a Precision Test
A new Bayesian analysis combining DESI DR1 and DR2 baryon acoustic oscillations with supernova, cosmic chronometer and CMB data finds ...
Stochastic analysis of finite-temperature effects on cosmological parameters by artificial neural networks
A modified CLASS model and neural-network optimization found that two finite-temperature quantum-gravity parameters improved agreement with the 2018 Planck CMB ...
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 ...
Reworking Brans-Dicke Gravity: A New Route to Dark Energy and the Hubble Tension
A new dynamical systems analysis shows that a generalised Brans-Dicke theory with a non-canonical scalar field can reproduce the background ...
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 ...
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 ...
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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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