Researchers have completed the major construction of the Gamma-Ray Energy Tracking Array (GRETA), a next-generation nuclear detector designed to deliver the most precise measurements yet of atomic ...

Muons, similar to neutrons, are subatomic particles that travel at almost the speed of light and can penetrate deep into matter. They allow scientists to comprehend the atomic scale without destroying ...

The United States has quietly completed deployment of its latest series of space-based nuclear detection systems and is preparing to field an even more advanced generation of sensors, officials said ...