An international team of physicists has achieved a significant advance in laser science, demonstrating for the first time a ...

Researchers from the University of Twente and Harvard University have developed a new way to generate ultraviolet (UV) light ...

We are surrounded by waves. tiny vibrational waves transport sound to our ears. Light waves stimulate the retinas of our eyes. Electromagnetic waves bring radio, television and endless streaming ...

New research shows that light’s magnetic field is far more influential than scientists once believed. The team found that this magnetic component significantly affects how light rotates as it passes ...

America's rapid adoption of LED lighting saves money and uses less electricity. But it's also making it harder to see the stars. Light pollution comes from excessive artificial light that causes the ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

Humans are naturally afraid of the dark. We sometimes imagine monsters under the bed and walk faster down unlit streets at night. To conquer our fears, we may leave a night light on to scare away the ...