Sacramento is one of California’s most light polluted cities. The Bortle scale is a nine-level numeric scale measuring the night sky's brightness of specific locations with one being perfect ...

New research has revealed a unique mechanism in reef-building corals that allows them to switch their light sensitivity between ultraviolet and visible light using chloride ions from their environment ...

Corals may lack eyes, but they are far from blind. These delicate animals sense light in ways that continue to amaze and inspire the scientific community.

Webb has been orbiting more than a million miles from Earth, capturing breathtaking images of deep space. But how does it actually work? This article was originally published at The Conversation. The ...