Cosmology

  1. Animals

    Feedback

    Readers respond to jellyfish, goalkeeping and off-kilter planets.

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  2. Cosmology

    Gravitational wave discovery gives way to Milky Way dust

    New polarization maps from the Planck satellite suggest that the BICEP2 announcement this year of primordial gravitational waves might be due entirely to dust in our galaxy.

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  3. Astronomy

    Mystery of missing lithium extends beyond Milky Way

    Stars in cluster Messier 54, part of a nearby dwarf galaxy, have just as little lithium as stars in the Milky Way, suggesting that the mystery of the missing element is universal.

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  4. Cosmology

    Cosmologist’s ‘Cosmic Cocktail’ is a refreshing read

    Katherine Freese shares her insights as a scientist studying dark matter and other mysterious components of the universe.

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  5. Cosmology

    Lab version of early universe fails to solve lithium problem

    An experiment that imitated conditions from just after the Big Bang failed to explain why observed amounts of lithium don’t match those expected from theory.

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  6. Cosmology

    Paper reporting primordial gravitational waves published

    The paper reporting the detection of primordial gravitational waves from a split-second after the Big Bang has finally been published.

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  7. Cosmology

    Dazzle or dust?

    The unpredictable glow of galactic dust could undermine the biggest cosmological discovery in years.

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  8. Cosmology

    2014 Kavli Prize winners announced

    Cosmic inflation, nanoscale imaging and a better understanding of memory earn million-dollar honors with the Kavli Prize.

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  9. Cosmology

    Dustup emerges over gravitational waves discovery

    While cosmologists wait for data from Planck satellite, some worry that BICEP2 data actually come from our galaxy.

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  10. Cosmology

    The mysterious boundary

    A debate has arisen over whether an astronaut passing a black hole’s point of no return would get stretched to death or flash-fried. Resolving the controversy may lead to new insights about gravity and more.

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  11. Cosmology

    Revamping the size of the universe

    Despite new telescopes and technology, no one knows whether the universe is infinitely large or even if what has been observed is the only universe that exists.

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  12. Cosmology

    Universe re-created in computer simulation

    The Illustris Project traces the detailed evolution of the universe starting from 12 million years after the Big Bang.

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