What is the purpose of light? How does light work? Why does light exist? This video explores the longstanding debate over ...

Physicists have uncovered how direct atom-atom interactions can amplify superradiance, the collective burst of light from ...

How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the most important numbers in the universe ...

Ultrathin structures that can bend, focus, or filter light, metasurfaces are reshaping how scientists think about optics. These engineered materials offer precise control over lights behavior, but ...

Theoretical physicist Alex Lupsasca is pushing for a space telescope to glimpse the thin ring of light that is thought to surround every black hole.

A flash of light hits a simple iron crystal. In the space of a trillionth of a second, its magnetic behavior shifts, as if ...

As far as particles of light are concerned, the collective is more important than the individual. When they get to decide ...

N obody does it better than supermassive black hole J2245+3743. It is a bright, active galactic nucleus (AGN), with a mass ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

Daniel Whiteson and Andy Warner’s upcoming book is a philosophical exploration of the humanity behind our desire to find ...

A team of physicists from the University of Innsbruck and Harvard University has proposed a fundamentally new way to generate laser light: a laser ...

A groundbreaking study reveals how neurons sense and transmit mechanical forces across their membranes—a key to understanding touch, movement, and development.