On cold, sunny days, tiny ice crystals in the atmosphere can create breathtaking displays like halos, sundogs, and light pillars.

A rare optical illusion and weather phenomenon was spotted Sunday morning, January 25. The phenomenon is called light pillars ...

Your Challenge: Using Your Sharp Eye Vision, Spot the Hidden Number in this Black-And-White Geometrical Optical Illusion ...

Residents of Russia's Sakhalin region were treated to a surreal sight recently: what looked like two suns rising side by side in the morning sky. The .

An optical illusion is a visual phenomenon where the brain misinterprets what the eyes perceive, creating a false or ...

Residents of Russia’s Sakhalin Island were left astonished after witnessing a rare and striking sight in the sky that ...

A team of researchers studying the uncertainties associated with a phenomenon known as cosmic birefringence has developed a ...

Dark matter is a mysterious type of matter that does not emit, absorb, or reflect light, yet is predicted to account for most ...

A halo around the sun or moon is an optical phenomenon created by refracted sunlight or moonlight through tiny ice crystals that make up high-altitude clouds. The light is refracted in 22-degree ...

There are other types of light pillars. Sun pillars are formed by sunlight during sunrise and sunset. Moon pillars are ...

The signals provide astronomers with a look into the life, and death, of a massive star exploding into a supernova.