Earth’s ring likely persisted for millions of years, perhaps as a faint, dusty band arcing across the sky during the day and subtly glowing at night. It may not have directly caught the attention of ...

During the weekend, the orbits of Earth and Saturn will combine to create an interplanetary optical illusion for anyone with ...

A rare alignment between Earth and Saturn will make the gas giant’s rings appear so thin that they’ll be nearly invisible.

A "ring of fire" is visible when the moon moves between the Earth and the sun. A new "ring of fire" annular solar eclipse is coming this October and will be visible Wednesday from South America. In ...

Walk past a jewelry store window, and most rings start to look the same. Clean lines, polished halos, and classic solitaires all sparkle in near-perfect rows. While they’re often eye-catching, they’re ...

Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, icy, egg-shaped planet in the far reaches of our solar system, beyond Neptune ...

Sky-watchers are in for a rare celestial illusion this weekend as Saturn tilts in such a way that its iconic rings nearly ...