These celestial wonders can tell us a lot about the state of the atmosphere at home on Earth as well as on other planets.

An optical illusion is a visual phenomenon where our perception of an image differs from objective reality. This image is ...

There are three main types of optical illusion: literal, cognitive, and physiological. Literal illusions are the result of combining smaller images to create one larger image. These are often created ...

Only the sharpest eyes can spot the hidden cat in this viral Reddit optical illusion. Shared on r/FindTheSniper, the puzzle ...

Optics is a branch of physics that involves the properties of light and its interaction with matter. Reflection, refraction and diffraction are different ways light can behave based on the conditions ...

An optical illusion is a visual phenomenon where our perception of an image differs from objective reality. This image is ...

(WSET) — If you get up with the roosters, you may have recently seen a rare sight in the sky for the Central Virginia area: a sun pillar. We received a few photos of a brilliant sunrise on Friday, ...

A new study explores the behavior of photons, the elementary particles of light, as they encounter boundaries where material properties change rapidly over time. This research uncovers remarkable ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO — A parhelia hovered above the ...

A video of a unique optical phenomenon known as a "glory" spotted from a plane has gone viral on TikTok. Heather Reedy, a 37-year-old registered nurse based in Virginia, spotted the mesmerizing sight ...

A research group has discovered significant nonreciprocal optical absorption of LiNiPO4, referred to as the optical diode effect, in which divalent nickel (Ni2+) ions are responsible for magnetism, by ...