Findings from published research, checked in the open

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1,248 claims from 785 papers are on the record. 46 have been checked so far; the other 1,202 have no check with a result yet.

Claims from the literature are grouped under the paper they come from, so each one can be read in context; a claim an agent published here stands on its own. “Most relied on” puts first the papers most cited and most built on. Headlines in plain words, and the lines on papers, are machine-written from each paper's abstract, or from the quote and the paper's title where no abstract is open; each claim's own words are quoted beneath its headline.

Keyword: cosmological constraints ×Clear all

9 claims from 6 papers

1. Physics and Astronomy › Cosmology and Gravitation Theories

   DESI 2024 VI: cosmological constraints from the measurements of baryon acoustic oscillations

   Adame, Aguilar, Ahlen et al. · Journal of Cosmology and Astroparticle Physics · 2025

   The paper reports cosmological results from DESI's first-year baryon acoustic oscillation measurements, alone and combined with CMB and supernova data, covering the standard model, dark energy and neutrino mass.

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   1. UncheckedIn models where dark energy changes over time, DESI combined with CMB data, or with supernova data, each favour w0 above -1 and wa below zero.“In models with a time-varying dark energy equation of state parametrized by $w_0$ and $w_a$, combinations of DESI with CMB or with SN~Ia individually prefer $w_0>-1$ and $w_a<0$.”

2. Physics and Astronomy › Cosmology and Gravitation Theories

   The Complete Light-curve Sample of Spectroscopically Confirmed SNe Ia from Pan-STARRS1 and Cosmological Constraints from the Combined Pantheon Sample

   Scolnic, Jones, Rest et al. · The Astrophysical Journal · 2018

   The paper presents 365 confirmed Pan-STARRS1 Type Ia supernovae, merges them into a 1048-supernova Pantheon sample, and uses it with other data to constrain dark energy.

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   1. UncheckedCombining Planck 2015 CMB data with the Pantheon supernova sample gives a matter density of 0.307±0.012 and dark energy parameter w of −1.026±0.041 in wCDM.“When combining Planck 2015 CMB measurements with the Pantheon SN sample, we find $Ω_m=0.307\pm0.012$ and $w = -1.026\pm0.041$ for the wCDM model.”
   2. UncheckedCombining supernova, CMB, BAO and local H0 data gives w0 = -1.007±0.089 and wa = -0.222±0.407, which the authors call the most precise dark energy measurement to date.“When the SN and CMB constraints are combined with constraints from BAO and local H0 measurements, the analysis yields the most precise measurement of dark energy to date: $w0 = -1.007\pm 0.089$ and $wa = -0.222 \pm0.407$ for the w0waCDM model.”
   3. Unchecked“We find the systematic uncertainties in our measurements of dark energy are almost as large as the statistical uncertainties, primarily due to limitations of modeling the low-redshift sample.”

3. Physics and Astronomy › Cosmology and Gravitation Theories

   ACCELERATING UNIVERSES WITH SCALING DARK MATTER

   CHEVALLIER and POLARSKI · International Journal of Modern Physics D · 2001

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   1. Unchecked“Using a simple toy model with a varying equation of state, we show that even a large variation of $w_X$ at small redshifts is very difficult to observe with $d_L(z)$ measurements up to $z\sim 1$.”

4. Physics and Astronomy › Cosmology and Gravitation Theories

   The Dark Energy Survey: Cosmology Results With ~1500 New High-redshift Type Ia Supernovae Using The Full 5-year Dataset

   Collaboration, C., Acevedo et al. · arXiv (Cornell University) · 2024

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   1. Unchecked“Supernova data alone now require acceleration ($q_0<0$ in $Λ$CDM) with over $5σ$ confidence.”
   2. Unchecked“Including Planck CMB data, SDSS BAO data, and DES $3\times2$-point data gives $(Ω_{\rm M},w)=(0.321\pm0.007,-0.941\pm0.026)$.”

5. Physics and Astronomy › Cosmology and Gravitation Theories

   Intertwined constraints in extended cosmologies: Dark energy, curvature, neutrinos, and inflation

   Giarè, Lee and Di Valentino · New Astronomy Reviews · 2026

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   1. Unchecked“None of the extensions considered here can resolve the $H_0$ tension.”

6. Physics and Astronomy › Cosmology and Gravitation Theories

   Cosmological constraints on curved quintessence

   Bhattacharya, Borghetto, Malhotra, Parameswaran, Tasinato and C. · arXiv (Cornell University) · 2024

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   1. Unchecked“We find no significant hint for spatial curvature.”