Rainbows Rainbows are one of nature's most enchanting spectacles, forming beautiful arcs of color in the sky. They occur when ...

Light pillars have been observed across West Michigan during the night. Cold temperatures and snow flurries help create this ...

The green flash and green ray are brief optical events seen at sunset or sunrise, where a green spot briefly appears above the Sun, or a green ray may shoot up from the horizon. These phenomena ...

Some optical phenomena depend on the quantum nature of light and the interaction of light with matter. Geometric optics and physical optics are models that describe phenomena while ignoring properties ...

A group of foreign tourists who were taking a catamaran tour in Tierra del Fuego captured some of the clearest photos of a UFO ever taken. The mysterious ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

The atmospheric optical phenomenon is caused by light refracting from ice crystals, according to AccuWeather. Light pillars appear as beams of light to observers and tend to take on the color of ...