Cosmology

  1. Cosmology

    Debate over the universe’s expansion rate may unravel physics. Is it a crisis?

    Measurements of the Hubble constant don’t line up. Scientists debate what that means.

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  2. Cosmology

    Scientists still can’t agree on the universe’s expansion rate

    A mismatch in measurements of how fast the universe is expanding might not be real, a study hints.

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  3. Chemistry

    Carbon plays a starring role in the new book ‘Symphony in C’

    In Symphony in C, geophysicist Robert Hazen explores carbon’s ancient origins, its role in life and its importance in the modern world.

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  4. Astronomy

    In a first, magnetic fields have been spotted between two galaxy clusters

    The discovery of magnetic fields in the gaseous filament between two galaxy clusters suggests that some large cosmic structures are magnetized.

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  5. Cosmology

    Hidden ancient neutrinos may shape the patterns of galaxies

    The gravitational pull of subatomic particles born in the universe’s first second seem to influence how galaxies cluster into rings.

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  6. Cosmology

    A cosmic flare called the ‘Cow’ may reveal a new way that stars die

    A burst of light from far away may have been an odd type of exploding star or a white dwarf being eaten by a black hole.

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  7. Cosmology

    A second repeating fast radio burst has been tracked to a distant galaxy

    Astronomers have spotted a second repeating fast radio burst, and it looks a lot like the first.

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  8. Cosmology

    Voyager 2 spacecraft enters interstellar space

    Voyager 2 just became the second probe ever to enter interstellar space, and the first with a working plasma instrument.

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  9. Astronomy

    Astronomers find far-flung wind from a black hole in the universe’s first light

    The detection of black hole winds far from their host galaxy could reveal details of how galaxies and black holes grow up together.

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  10. Astronomy

    Astronomers have measured all the starlight ever emitted

    Astronomers used distant blazars to tally up all the stray photons roaming through space.

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  11. Planetary Science

    Hints of Oort clouds around other stars may lurk in the universe’s first light

    Sifting through the universe’s early light could reveal planetary graveyards orbiting other stars.

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  12. Cosmology

    The universe’s continued existence implies extra dimensions are tiny

    The strictest limits yet on the size of extra dimensions come from the fact that black holes haven't destroyed the universe.

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