Cosmology

  1. cgm simulation
    Astronomy

    The ecosystem that controls a galaxy’s future is coming into focus

    An invisible cloak called the circumgalactic medium controls a galaxy’s life and death.

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  2. lightning at Jupiter's pole
    Astronomy

    On Jupiter, lightning flashes from storms swirling at the poles

    After almost 40 years, scientists have discovered that Jupiter has lightning that is similar to lightning on Earth — it just happens in a different place.

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  3. MACS1149-JD1 galaxy
    Cosmology

    These stars may have been born only 250 million years after the Big Bang

    Scientists find evidence that stars were forming just 250 million years after the universe was born.

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  4. illusration of ultracold atoms
    Physics

    A DIY take on the early universe may reveal cosmic secrets

    A conglomerate of ultracold atoms reproduces some of the physics of the early universe.

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  5. Gray Rybka
    Particle Physics

    The search for mysterious dark matter underdogs steps up

    Dark matter particles called axions are finally being put to the test.

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  6. Abell 3827
    Astronomy

    Dark matter isn’t interacting with itself after all

    Hints that a distant galactic collision knocked dark matter askew fizzled with new observations.

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  7. Nobel Prize
    Cosmology

    Why the Nobel Prize might need a makeover

    In Losing the Nobel Prize, astrophysicist Brian Keating discusses the downsides of science’s top honor.

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  8. galaxy NGC1052–DF2
    Astronomy

    Dark matter is MIA in this strange galaxy

    A galaxy without dark matter bolsters the case that the invisible substance really exists.

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  9. Stephen Hawking
    Cosmology

    Renowned physicist Stephen Hawking dies at 76

    Beyond his research contributions, Stephen Hawking popularized black holes and the deep questions of the cosmos.

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  10. illustration of early stars
    Cosmology

    Here’s when the universe’s first stars may have been born

    The first stars lit the cosmos by 180 million years after the Big Bang, radio observations suggest.

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  11. Joe Polchinski
    Cosmology

    Remembering Joe Polchinski, the modest physicist who conceived a multiverse

    String theorists lament the death of Joe Polchinski, one of their field’s most esteemed and respected thinkers.

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  12. the giant galaxy Centaurus A
    Cosmology

    The way dwarf galaxies move puts a new spin on galaxy formation

    Distant dwarf galaxies orbit a larger galaxy in a coordinated loop, rather than randomly as expected. The finding could challenge theories of dark matter.

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