We might be told that color has something to do with light, or even be shown a prism, through which light refracts to produce a rainbow. This is true, but the human brain and visual system can ...

Anyone who ever ended up with a sunburn knows violet wavelengths are real, as the Sun’s ultraviolet (UV) radiation is the reason you need to wear sunscreen, even though you can’t see those ...

Imagine the Sun suddenly changing color and glowing bright blue instead of its usual yellow-white. What would this dramatic transformation mean for Earth and the entire solar system? In this video ...