Biofluorescence is widespread in birds-of-paradise, a group of tropical birds famous for their spectacular courtship dances.

Here's what the eye condition is, what causes it and how cataracts are treated once diagnosed.

Medically reviewed by Christine L. Larsen, MD Photophobia is an abnormal sensitivity to light. It is associated with dry eye ...

"Miosis" is a medical term that describes the constriction of the pupils. Learn its causes, symptoms, and how to treat it.

A neighbor testified that the 6-year-old's mother confided in her about a plan to sell her to a traditional healer who was ...

Ever wondered why some lakes are bright blue while others are green or brown? The answer lies in the way light interacts with ...

In most Kenyan homes nowadays, you see coloured bulbs flickering at night from a distance. Gypsum ceilings in bedrooms, living rooms, or corridors have coloured bulbs, perhaps to give the house an ...

Oxygen emits either a greenish-yellow light (the most familiar color of the aurora ... trouble seeing the northern lights with the naked eye, try using your phone camera in night mode and hold ...

Stargazers in North and South America will be able to view a red-colored "blood moon" starting Thursday night in the first total lunar eclipse visible on the continents since 2022.

But with this increase in digital consumption comes the inevitable eye strain caused by the blue light emitted from our devices. The British Medical Journal describes this syndrome as “encompass ...

Certain cancers are also linked to light-coloured eyes, age, and pre-existing ocular conditions. Advancements in cancer treatment have significantly improved survival rates, eye and vision ...

Colors with shorter ... eclipse with the naked eye or using binoculars or a telescope, the NWS says. For the best viewing chances, head to an open area away from urban light pollution, experts ...