A Sun Candle is a rare vertical light pillar seen below the Sun, formed by sunlight reflecting off ice crystals, often ...

I test a series of light experiments to explore reflection, refraction, and optical illusions, demonstrating how light ...

A viral video from Jamtland, Sweden, captures a breathtaking 22-degree Sun halo with vivid sun dogs and rainbow arcs.

The model, developed at Carnegie Mellon University, uses Wi-Fi signal disruptions to identify possible threats. Hempfield is ...

SPhotonix, a company formed last year to commercialize the technology, estimates that even at 190 degrees Celsius, voxels cut ...

Joint pain and body aches are also common. How menopause causes these symptoms isn’t fully understood, but experts say they ...

Pilots flying over the towering Himalayas sometimes witness the extraordinary sight of three suns in the sky simultaneously. This phenomenon, known as a sundog or parhelion, is not caused by ...