Cosmology

More Stories in Cosmology

  1. Cosmology

    In an epic cosmology clash, rival scientists begin to find common ground 

    Different measurements of the cosmic expansion rate disagree. The James Webb telescope could determine whether that disagreement is real.

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  2. Cosmology

    Strange observations of galaxies challenge ideas about dark matter

    A new look at how light bends as it travels through the universe could point to an alternative theory of gravity.

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  3. Cosmology

    The universe may have a complex geometry — like a doughnut

    Physicists haven’t yet ruled out the possibility that the universe has a complicated topology in which space loops back around on itself.

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  4. Cosmology

    The largest 3-D map of the universe reveals hints of dark energy’s secrets

    A year of data from DESI, the Dark Energy Spectroscopic Instrument, suggests that, contrary to expectations, dark energy might vary over time.

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  5. Space

    Did the James Webb telescope ‘break the universe’? Maybe not

    There’s no need for strange new physics to explain anomalously bright, massive galaxies seen by JWST, Hubble data suggest.

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  6. Cosmology

    New JWST images suggest our understanding of the cosmos is flawed

    JWST data don’t resolve a disagreement over how fast the universe is expanding, suggesting we might need strange new physics to fix the tension.

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  7. Astronomy

    JWST’s hunt for distant galaxies keeps turning up surprises

    In its first year, the James Webb Space Telescope has found many galaxies from the early universe that are bigger, brighter and more mature than expected.

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  8. Space

    The James Webb telescope may have spotted stars powered by dark matter

    Three objects in the distant universe bear signs of hypothesized “dark stars,” researchers claim, though others say more definitive data are needed.

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  9. Physics

    Centuries on, Newton’s gravitational constant still can’t be pinned down

    A new experiment could finally answer the question 'What is the strength of gravity?' But it's a hard test to do.

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