Physicists have forced light to behave like electrons trapped in a magnetic field, producing a quantized sideways drift that had never been observed in photons before. The experiment, carried out on ...

Astronomers around the world are calling for international agreements to limit the spread of satellite constellations in space, with warnings that light pollution at night from the satellites damages ...

New observation could provide way to increase the strength of interaction between light and matter, eventually leading to smaller lasers and other improved photonic technologies UNIVERSITY PARK, Pa. — ...

The rate of human-produced light is increasing in the night sky by as much as 10% per year, making it difficult for astronomers to study the night sky. When you purchase through links on our site, we ...