Cosmology

  1. spiral galaxy UGC 9391
    Cosmology

    Debate accelerates on universe’s expansion speed

    A puzzling mismatch is plaguing two methods for measuring how fast the universe is expanding.

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  2. LUX detector
    Particle Physics

    Latest search for dark matter comes up empty

    Scientists continue to come up empty-handed in the search for dark matter. The latest effort from the LUX experiment found no evidence for dark matter.

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  3. people throwing a ball on a carousel
    Astronomy

    Stephen Hawking finds the inner genius in ordinary people

    Ordinary people wrestle with big questions in science and philosophy in Genius, a new television series hosted by Stephen Hawking.

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  4. Dwarf galaxy Reticulum II
    Cosmology

    Ancient dwarf galaxy was heavy-element factory

    A rare event in an ancient galaxy left traces of heavy elements in its stars.

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  5. illustration of a black hole's accretion disk
    Cosmology

    How to make gravitational waves ‘sing’

    A rapidly spinning black hole would make a unique pattern of gravitational waves when it sucks in a smaller companion.

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  6. gamma ray map
    Cosmology

    New sky map charts previously unknown gamma-ray sources

    A new map of the sky from the High-Altitude Water Cherenkov Observatory charts the cosmic origins of high-energy photons.

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  7. illustration of a blazar
    Astronomy

    Possible source of high-energy neutrino reported

    Scientists may have found the cosmic birthplace of an ultra-high energy neutrino: a blazar 9 billion light years away.

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  8. Agriculture

    Readers debate GMOs

    Genetically-modified food, nuclear fusion, black holes and more reader feedback.

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  9. Neuroscience

    Readers respond to stress, tattoos, and the universe

    Stress, tattoos, cosmic origins and more reader feedback.

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  10. Cosmology

    Celebrating a new way to listen to the universe

    Editor in Chief Eva Emerson reflects on the detection of gravitational waves as a historic moment for physics.

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  11. cosmic web
    Cosmology

    ‘The Cosmic Web’ weaves tale of universe’s architecture

    A new book chronicles the quest over the last century to understand how the universe is pieced together and how it came to be this way.

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  12. matter map
    Cosmology

    ‘Origins’ offers science-based account of creation

    In Origins, a science writer compiles an ambitious yet concise history of the universe and life on Earth.

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