For the first time, Northwestern University physicists have coaxed a single positron—the antimatter counterpart of an electron—into an exquisitely controlled quantum state.

21 Oct 2026

An abstract illustration evoking a charged particle confined by electromagnetic fields. (dani3315/iStock/Getty Images Plus) The Universe, according to theory at least, should not exist. Every particle ...

21 Oct 2026

You can’t hold antimatter in your hand or even in a regular laboratory apparatus. As soon as antimatter meets matter, the two tend to annihilate each other. This makes studying antimatter tricky. But ...

21 Oct 2026

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

20 Oct 2026

Scientists have unveiled a new theory on the birth of the cosmos, suggesting the early universe was shaped by an ancient particle that has been overlooked for decades.

19 Oct 2026

Researchers have trapped a positron for the first time and plan to use it look for answers to one of particle physics’ biggest questions ...

21 Oct 2026

Photo: Carl D. Anderson (1905–1991) / Wikimedia Commons (Public domain) Physicists at Northwestern University have made a breakthrough by successfully trapping a single positron, the antimatter ...

21 Oct 2026

Discover how CERN’s detector upgrades combine radiation tolerance, precision timing and cooling. Read more about reliable measurement over an instrument’s lifetime ...

22 Oct 2026

Northwestern physicists created a one-positron quantum cyclotron, resolving individual changes in the antimatter particle’s motion and spin. A cryogenic Penning trap cooled the positron’s cyclotron ...

21 Oct 2026

If the Big Bang created equal amounts of matter and antimatter, everything in existence ...

21 Oct 2026

Northwestern University physicists held one positron, the antimatter twin of the electron, in a cold vacuum trap for months, ScienceAlert reported.

21 Oct 2026