Red light therapy has long been used to reduce inflammation and improve skin texture, which is why LED devices are having a moment—you can reap some of the benefits without booking a professional ...

Birthright citizenship, campaign finance limits and mail-in ballots are just a few of the high-profile issues under the microscope this term. Here’s where the cases stand. The Latest Plus what happens ...

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 ...