Videos posted on the X showed a blue orb in the night sky that was visible in the U.K., France and other countries.

This stunning image features a deep field view of the Cassiopeia constellation where the two small planetary nebulas can be ...

The blue spiral has been seen across Norfolk with some even claiming to see the spiral in Wales. (Image: Henry Locke) There ...

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

“Keep in mind, the amount of blue light emitted from a fluorescent, LED bulb or even a bright screen is hundreds of times less than exposure to sunlight,” See says. Blue light glasses are ...

To make matters worse, modern society's electric light and bright screens at night trick our body clock into thinking it is ...

Gleaming in the air, the iridescent blue morpho protects itself from predators using the power of light. Native to the rainforests of Mexico, Central America and South America, this bright blue ...