Cosmology

  1. Andromeda galaxy
    Science & Society

    Einstein’s latest anniversary marks the birth of modern cosmology

    A century ago, Einstein gave birth to modern cosmology by using his general theory of relativity to describe the universe.

    By
  2. hydrogen signatures of galaxies
    Astronomy

    Distant galaxies lack dark matter, study suggests

    Slower-than-expected velocities of stars in distant galaxies, if confirmed, could reshape astronomers’ ideas of galaxy formation and evolution.

    By
  3. illustration of galaxy dust
    Astronomy

    Astronomers detect oldest known stardust in distant galaxy

    The first stardust ever generated in the universe may have been spotted in a distant galaxy, seen as it was 600 million years after the Big Bang.

    By
  4. Abell 2744
    Astronomy

    Faint, distant galaxies may have driven early universe makeover

    Gravitational lensing has revealed extremely faint galaxies in the early universe, suggesting these tiny galaxies were responsible for cosmic reionization.

    By
  5. five quasars
    Cosmology

    New data fuel debate on universe’s expansion rate

    Quasar observations add to discrepancy in measurements of the universe’s expansion speed.

    By
  6. merging black hole simulation
    Astronomy

    Spin may reveal black hole history

    High rate of spin could indicate that black holes formed from previous mergers of black holes.

    By
  7. dragonfly telescope
    Astronomy

    Star-starved galaxies fill the cosmos

    Astronomers are detecting hundreds of galaxies that are almost devoid of stars. There are at least four theories on how they got that way.

    By
  8. solar system
    Earth

    ‘A Most Improbable Journey’ offers scientific take on human history

    Walter Alvarez’s “A Most Improbable Journey” gives readers a tour of “Big History,” linking human history to unpredictable cosmic, geologic and biological events.

    By
  9. Earth’s atmosphere
    Cosmology

    ‘Voyage of Time’ is Terrence Malick’s ode to life

    With “Voyage of Time,” director Terrence Malick brings the history of the universe — and the evolution of life on Earth — to the big screen.

    By
  10. shockwave simulation
    Cosmology

    After Big Bang, shock waves rocked newborn universe

    Shock waves in the early universe could explain the generation of magnetic fields and the predominance of matter over antimatter.

    By
  11. Cosmology

    A cosmic quandary, risks of hatching early and more reader feedback

    The cosmos, tadpole escape artists, vehicle collisions and more in reader feedback.

    By
  12. Earth

    Science finds many tricks for traveling to the past

    Our editor in chief discusses what science can tell us about the past.

    By