Unstable atoms emit fast-moving particles that can damage cells in the human body. Some atoms are far more unstable than ...

The weak nuclear force doesn't play by the normal rules — and, in fact, it breaks one of the biggest rules of all.

CubeSat satellite activates after a powerful solar storm and discovers two new and mysterious radiation belts around Earth.

When high-energy radiation interacts with water in living organisms, it generates particles and slow-moving electrons that ...

For the first time, scientists observe a new and rare decay mode where oxygen-13 breaks into three helium nuclei and a proton following beta decay. Scientists have previously observed interesting ...

As strange as it sounds, antimatter is essentially just like regular matter, except its particles have the opposite charge. But that simple difference has some major implications – if ever a particle ...