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Showing 1–5 of 5 results
Advanced filters: Author: Eleonora Di Valentino Clear advanced filters

  • Four cosmologists discuss the prospects for the concordance cosmological model — made up of 70% dark energy in the form of a cosmological constant Λ, 25% cold dark matter and 5% baryonic matter in the present day — in the light of multiple tensions between existing datasets.

    • Daniel Eisenstein
    • Colin Hill
    • Lindsay Oldham
    Comments & Opinion
    Nature Astronomy
    Volume: 9, P: 1418-1422

  • Interactions between dark matter and neutrinos would leave observable imprints on cosmic structures. Combining cosmic microwave background and weak lensing data shows a nearly three-sigma preference for such interactions.

    • Lei Zu
    • William Giarè
    • Sebastian Trojanowski
    ResearchOpen Access
    Nature Astronomy
    P: 1-9

  • The standard cosmological model assumes a flat Universe, but some model inconsistencies appear when curvature is allowed, as supported by the latest Planck Legacy 2018 power spectra. Is it time to consider new physics?

    • Eleonora Di Valentino
    • Alessandro Melchiorri
    • Joseph Silk
    Research
    Nature Astronomy
    Volume: 4, P: 196-203

  • A time-dependent dark energy component of the Universe may be able to explain tensions between local and primordial measurements of cosmological parameters, shaking current confidence in the concept of a cosmological ‘constant’.

    • Eleonora Di Valentino
    News & Views
    Nature Astronomy
    Volume: 1, P: 569-570

  • The theme of tensions in cosmology has become increasingly important in the cosmological community, proving capable of attracting new generations of scientists who want to be there and contribute to the next paradigm shift.

    • Eleonora Di Valentino
    • Emmanuel Saridakis
    • Adam Riess
    News & Views
    Nature Astronomy
    Volume: 6, P: 1353-1355