We asked experts about the benefits of red light therapy for sleep—and which devices are most effective for adding it to your ...

While other universities are pulling the plugs on their outdoor emergency phones, University of Arizona officials continue to consider their blue lights special. Because of cell phones, schools like ...

A photographer in California revealed a rare phenomenon during Tuesday's "blood moon" total lunar eclipse —a thin, bluish band across the red moon. Here's what it is.

Bioluminescent plankton are marine organisms capable of emitting visible light through chemical reactions in their bodies. This unique biochemical trait is attributed to a luciferin-luciferase ...

Researchers report that photodynamic therapy increases antibiotic penetration and disrupts resistance mechanisms in laboratory strains.

Red-light cameras and photo radar are coming to Tucson as the City Council unanimously approved the new traffic enforcement efforts Tuesday. The council authorized a one-year pilot program that is ...

From cutting and drilling to paint stripping and removing maritime fouling, underwater tasks in the maritime environment are ...