According to the model, dark matter may have started as particles that were hot, light, massless, and fast. As the universe ...

The strong nuclear force may abruptly loosen its grip on the fundamental particles that make up matter at a special “critical ...

Inspired by an artist's stencils, researchers have developed atomic-level precision patterning on nanoparticle surfaces, ...

Materials scientists can learn a lot about a sample material by shooting lasers at it. With nonlinear optical microscopy—a ...