A mysterious scene at an apparently abandoned suburban Chicago home has raised concerns after viral footage appeared to show lights turning on and off in what some interpreted as a call for help.

What happens when someone’s personal project is turned into a startup which becomes something of a publicity darling, then collapses with very little product shipped and takes all its customers’ money ...

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

LED face masks are one of skincare’s biggest at-home innovations, bringing light therapy – once limited to clinics – into our everyday routines. Designed to address everything from fine lines and ...