All over the world, there are naturally occurring optical illusions that captivate spectators. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt ...

MISSOULA, Mont. — While up in the mountains, have you ever looked down on a cloud or fog bank below and seen concentric rings of light surrounding your shadow? A viewer recently shared a photo of this ...

If you’ve ever found yourself wishing for the ability to read other people’s thoughts or the ability to see into your own heart, all you have to do is stare at the horizon directly at sunrise or ...

Earth's passage through the plane of Saturn's rings, occurring roughly every 15 years, causes the rings to appear nearly edge-on. The next such event in March 2025 will be poorly observable due to ...

These celestial wonders can tell us a lot about the state of the atmosphere at home on Earth as well as on other planets. This article was originally published at The Conversation. The publication ...

JACKSONVILLE, Fla. — A optical illusion appeared off the First Coast this week, making it seem as though a ship was hovering above and out of the water. The phenomenon, known as a superior mirage, ...

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 ...

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 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 ...

Optical lattice clocks are devices that measure the passing of time via the frequency of light that is absorbed or emitted by laser-cooled atoms trapped in a repeating pattern of light interference ...

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 ...