You can’t hold antimatter in your hand or even in a regular laboratory apparatus. As soon as antimatter meets matter, the two ...

An abstract illustration evoking a charged particle confined by electromagnetic fields. (dani3315/iStock/Getty Images Plus) ...

For the first time, Northwestern University physicists have coaxed a single positron—the antimatter counterpart of an ...

Physicists trap and cool down positron for months to measure its 'magnetic moment' with extraordinary precision.

Recent results show how control of antimatter is turning ambitious questions into increasingly exact comparisons ...

An international team combining two major neutrino experiments has uncovered stronger evidence that neutrinos and antimatter don’t behave as perfect mirror images. That subtle difference may hold the ...