Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...

Nelson County Sheriff's Office participates in 'No Shave November' for fundraiser The Nelson County Sheriff's Office is participating in a challenge in order to raise funds for Project Lifesaver ...

The illusion makes clever use of colour theory, demonstrating how our brains perceive colours differently against certain ...

A new study investigates strange bursts of light captured in old astronomical photos, suggesting they may link to both UFO sightings and Cold War nuclear testing.

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 spectral figure has emerged from the solar surface during this Halloween period. This cosmic optical illusion, captured by ...

Can you spot all the hidden bears in this Snowy Mountain Optical Illusion? Test your IQ, observation, and visual perception ...

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 ...

This is an archived article and the information in the article may be outdated.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 ...

Researchers have harnessed nonlocal artificial materials to create optical systems that emulate parallel spaces, wormholes, ...