Decades of weird experimental results appeared to support the existence of the sterile neutrino, a hypothetical particle that ...

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A consortium of Boston-area researchers hopes to fill in a missing piece of a fundamental theory of physics within the next couple months, when groundbreaking tests are carried out at the world's ...

Nearly every object we interact with in our lives has a mass, but where does this mass come from? Modern physics says matter ...

An extensive search for a hypothetical particle has turned up empty. The sterile neutrino is a proposed subatomic particle that could even be a candidate for the mysterious dark matter, and although ...

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A new experiment captures a single parcel of light morphing between wave and particle. Published in the April Physical Review A, the experiment dissects a light pulse associated with a single photon ...

Scientists have taken a major step toward solving a long-standing mystery in particle physics, by finding no sign of the particle many hoped would explain it. Baryons, composite particles made up of ...