Gemstones like precious opal are beautiful to look at and deceivingly complex. As you look at such gems from different angles ...

For the first time, physicists have watched a beam of positronium, a short‑lived atom made of an electron and its antimatter ...

The astronomer Edmond Halley, the namesake for Halley’s comet, linked the northern lights to the Earth’s magnetic field, ...

The mystery of quantum phenomena inside materials—such as superconductivity, where electric current flows without energy loss—lies in when electrons move together and when they break apart. KAIST ...

Electrons are usually described as particles, but in a rare quantum material, that picture completely breaks down ...