Astronomers have spotted what they believe to be a rainbow-like phenomenon occurring on a planet outside our solar system for the first time, and it could reveal new insights about alien worlds.

Just from looking at our own solar system, we can see that planets come in a wide variety of colors — from the dusty red of Mars to the bright blues of Uranus and Neptune. Planets like Jupiter have ...

Often seen on Earth, the effect consists of concentric, colorful rings of light, and it occurs when light reflects off clouds made of a uniform substance Often seen on Earth, the effect consists of ...