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

Dracula orchids, also called monkey orchids, look like a face hidden in nature.

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 ...

Sun pillars are a beautiful atmospheric phenomenon that can sometimes be seen at sunrise or sunset. Watch this video to learn ...

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 ...

Researchers have built a small but powerful detector to find gravitational waves in a hidden frequency range. The discovery ...

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 ...

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 ...

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

Materials scientists can learn a lot about a sample material by shooting lasers at it. With nonlinear optical microscopy—a ...