Particle Physics

  1. Astronomy

    Cosmic rays misbehave in space station experiment

    A puzzling feature in a new cosmic ray census may force physicists to rethink which cosmic objects send these speedy particles hurtling across the galaxy.

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  2. Particle Physics

    Exotic particle turns out to be quark molecule

    Subatomic particles made of quarks can bind together to form molecules, according to a computer simulation of a long-studied mysterious particle.

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  3. Particle Physics

    Sam Ting tries to expose dark matter’s mysteries

    Particle physicist Sam Ting is applying a meticulous approach to analyzing positrons in space, testing whether they can reveal clues about dark matter.

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  4. Particle Physics

    New particle may be made of four quarks

    A newly discovered particle may be comprised of four quarks, a new study posits.

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  5. Particle Physics

    Year in review: Neutrinos leave tracks in ice

    The IceCube experiment has started to pinpoint the birthplaces of some high-energy neutrinos.

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  6. Particle Physics

    Two new particles found at Large Hadron Collider

    Physicists with the Large Hadron Collider beauty experiment have identified two new particles called Xi_b'- and Xi_b*-.

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  7. Cosmology

    Gamma rays offer mixed messages on identity of dark matter

    Conflicting results from Fermi telescope puzzle astronomers about dark matter’s true identity.

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  8. Particle Physics

    New particle could help physicists understand subatomic glue

    A newfound particle will allow scientists to probe the universe’s strongest force.

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  9. Health & Medicine

    Zero calories and other awe-inspiring science tales

    In this issue, reporters look at artificial sweeteners, resurrecting a West Coast plant, quasiparticles and the future of our magazine and its parent non-profit, SSP.

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  10. Quantum Physics

    Quasiparticles help physicists make sense of the world

    To improve semiconductors, superconductors and other materials, physicists view a particle and its surroundings as one entity.

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  11. Particle Physics

    Evidence for new Higgs-related particle fades away

    A close look at data from the Large Hadron Collider finds no evidence that the Higgs boson decays into a new, unknown particle.

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  12. Particle Physics

    Dark matter hunters may get three new experiments

    NSF and DOE have approved three new facilities to look for the exotic particles that might make up dark matter.

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