Cosmology

More Stories in Cosmology

  1. MACSJ1206.2-0847 galaxy cluster
    Space

    Dark matter clumps in galaxy clusters bend light surprisingly well

    Cosmologists have found one more way to be confused by dark matter.

    By
  2. sky survey of universe's matter clumps
    Cosmology

    Scientists can’t agree on how clumpy the universe is

    A measurement of 21 million galaxies finds a level of clumpiness that disagrees with estimates based on the oldest light in the universe.

    By
  3. illustration of the Big Rip
    Cosmology

    ‘The End of Everything’ explores the ways the universe could perish

    As Katie Mack explains in The End of Everything, the universe’s demise could be disastrously violent or deadly calm.

    By
  4. Atacama Cosmology Telescope
    Cosmology

    Despite a new measurement, the debate over the universe’s expansion rages on

    The Atacama Cosmology Telescope finds the universe is expanding more slowly than supernova observations suggest.

    By
  5. X-ray map of sky
    Space

    This is the most comprehensive X-ray map of the sky ever made

    A new X-ray map of the entire sky, using data from the eROSITA telescope’s first full scan, looks deeper into space than any other of its kind.

    By
  6. Australian Square Kilometre Array Pathfinder
    Space

    Half the universe’s ordinary matter was missing — and may have been found

    Astronomers have used fast radio bursts as cosmic weigh stations to tease out where the universe’s “missing matter” resides.

    By
  7. planet burning up near star illustration
    Space

    Red giant stars that eat planets might shine less brightly

    Some stars may shine less brightly after ingesting a planet. That finding, if confirmed, could have implications for calculating cosmic distances.

    By
  8. slime mold
    Physics

    How slime mold helped scientists map out the cosmic web

    Tapping a similarity between a slime mold’s lacy web and the vast threads of matter that connect galaxies, astronomers visualized the cosmic web.

    By
  9. Didier Queloz, Michel Mayor, James Peebles
    Physics

    Physics Nobel awarded for discoveries about the universe’s evolution and exoplanets

    Three scientists share the 2019 Nobel Prize in physics for revealing what makes up our cosmos and for finding the first planet orbiting a sunlike star.

    By