Saturn's rings tilt out of view every fourteen to seventeen Earth years. In 2032, they will be at their best again during ...

If an Earth-like planet was orbiting another star, however, it may look different than our precious pale blue dot. In fact, it could don a daring shade of purple. A group of researchers from the ...

The planet, known as Quaoar, is one of 3,000 small planets found that far out, and scientists believe it may actually be a ringed planet, despite evidence that a ring shouldn’t be possible at ...

The first life forms used retinal instead of chlorophyll, absorbing green light and reflecting red and blue—turning the planet an eerie purple. Chlorophyll wasn’t always king. Retinal ...