Cosmology

  1. Cosmology

    See the sky in a different light

    An interactive map lets you explore the galaxy with infrared light.

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  2. Cosmology

    Feedback

    Readers weigh in on the Hubble constant, temperature extremes and heart screenings for student-athletes.

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  3. Cosmology

    Galaxy’s gamma-ray glow may expose dark matter

    An excess of gamma rays at the center of the Milky Way could be a signature of dark matter.

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  4. Astronomy

    Neutrinos from space rain down from all directions

    Using Earth as a filter, scientists detect thousands of neutrinos from beyond the solar system.

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  5. Cosmology

    Speed of early universe’s expansion determined

    The rate known as the Hubble constant is measured with great precision for the universe of 11 billion years ago.

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  6. Cosmology

    Maybe time’s arrow needs ergodicity as well as entropy

    Explaining the arrow of time might require an equilibrium universe with hidden ergodic dynamics.

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  7. Astronomy

    This winter warrior made the gravitational waves discovery possible

    Engineer Steffen Richter played an important role in the recent gravitational waves discovery, wintering at the Amundsen-Scott research station at the South Pole and making daily treks to keep the BICEP2 telescope running.

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  8. Cosmology

    Cosmic question mark

    Two ways of measuring the universe’s expansion rate disagree by about 10 percent. One of the methods may be flawed. Or it could be that a hitherto unobserved phenomenon is at work.

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  9. Cosmology

    Top 10 cosmological discoveries

    The cosmic microwave background radiation has played a part in many of cosmology’s greatest discoveries.

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  10. Cosmology

    Gravitational waves unmask universe just after Big Bang

    For the first time, researchers have seen traces of superfast cosmic expansion and gravity waves.

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  11. Cosmology

    Inflation rides gravity waves into cosmological history

    The discovery of gravity waves in the cosmic microwave radiation signals the success of inflationary cosmology.

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  12. Cosmology

    First images of gravity waves, evidence of cosmic inflation reported

    The first images of gravitational waves and the first direct evidence for cosmic inflation were announced March 17.

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