symmetry magazine

dimensions of particle physics

dimensions of particle physics

A joint Fermilab/SLAC publication


cosmic frontier

March 2014

  • March 17, 2014
    breaking: Physicists find evidence of cosmic inflation
    The BICEP2 experiment has detected signs of gravitational waves in the cosmic microwave background radiation, with big implications for the theory of cosmic inflation.

January 2014

  • January 13, 2014
    breaking: Scientists pinpoint ‘very peculiar’ pulsar
    Scientists studying five years of data from the Fermi Gamma-ray Space Telescope have found the first gamma-ray variable pulsar. But is it really what it seems?

December 2013

  • December 6, 2013
    breaking: US particle physicists look to space
    A panel met at SLAC National Accelerator Laboratory to look for promising routes to the study of dark matter, dark energy and other phenomena.
  • December 2, 2013
    explain it in 60 seconds: Baryonic acoustic oscillations
    Scientists have found a way to study sound waves from the early universe to learn more about its history and contents. 

November 2013

  • November 27, 2013
    signal to background: The world’s oldest astronomers
    Scientists in Japan use ancient trees to look back on the history of our local cosmos, and discover a mystery.
  • November 22, 2013
    signal to background: Mock data, real science
    In scientific circles, “mock” is not always a four-letter word. Through mock-data competitions, astrophysicists check their work.
  • November 21, 2013
    breaking: Cosmic explosion calls theory into question
    Observations of a rare cosmic explosion challenge scientists’ theoretical understanding of how gamma-ray bursts work.
  • November 4, 2013
    signal to background: New planetarium show lights up the dark
    Particle astrophysicists are helping illuminate the dark side of the universe for a new show at the American Museum of Natural History in New York City.

October 2013

  • October 31, 2013
    breaking: Cosmos seeded with heavy elements during youth
    Traces of iron distributed smoothly throughout a massive galaxy cluster tell a 10-billion-year-old story of cosmic evolution.
  • October 24, 2013
    commentary: The big questions
    Through the “Snowmass” process, US particle physicists thoroughly considered the field’s most compelling unanswered questions and ways to realistically answer them.
  • October 22, 2013
    gallery: Unanswered questions
    Do you think scientists have the answers to all the questions? As these researchers admit, there’s still so much to discover. Particle physics is brimming with mysteries and unknowns.

September 2013

  • September 24, 2013
    feature: The great physics quest
    In their search for fundamental truths, particle physicists have a lot in common with explorers everywhere. 

August 2013

  • August 22, 2013
    gallery: Fermi’s first five years
    In its first five years gazing at the gamma-ray sky, the Fermi Gamma-ray Space Telescope provided new insights into cosmic puzzles ranging from dark matter to blazars—and added a few new puzzles to the list. 
  • August 8, 2013
    breaking: Physicists chart path forward
    Through the “Snowmass” process, particle physicists discussed the field’s biggest unanswered questions and thoroughly analyzed the tools needed to answer them.

July 2013

  • July 29, 2013
    breaking: Scientists look to next decades in US particle physics
    From the output of the "Snowmass" meeting, US particle physicists will chart a path to answering some of science’s most intriguing questions.
  • July 2, 2013
    feature: Secrets of the early universe
    Planck, the space telescope that this year revealed unprecedentedly detailed information about the early universe, is just getting started.

March 2013

  • March 21, 2013
    breaking: Planck reveals new insight into universe
    The first cosmology results from the Planck satellite reveal an older universe populated with less dark energy and more matter than expected.

February 2013

  • February 15, 2013
    breaking: Cosmic rays born in supernova aftermath
    One hundred years after the discovery of cosmic rays, a team of particle astrophysicists has definitively determined one source of these abundant yet enigmatic particles.

January 2013

  • January 28, 2013
    feature: Illuminating the dark universe
    The pursuit of dark matter and dark energy is one of the most exciting—and most challenging—areas of science. Now researchers think they’re beginning to close in.
  • January 22, 2013
    essay: A galaxy with a view
    A physicist, a software developer and a writer step outside one night to take in nature’s beauty at a mountaintop observatory in Chile.