Rings form from solid bodies coming too close to a planet. There is a range called the Roche limit: Within the limit, the tidal forces of the primary body – in our case the Earth – would be ...

A recent study claims that Earth may have once had a ring. The theory would explain the presence of an odd density of impact craters around the equator dating back to the Ordovician period.

The research, published in one of the most famous scientific journals, Earth and Planetary Science Letters, reveals the details that suggest the presence of rings millions of years ago.

A super-Earth is a massive rocky planet that’s larger than Earth, but still Earth-like, with a rocky surface, an atmosphere and the possibility of having liquid water on its surface.

An illustration of Earth with a ring. Kevin M. Gill via Wikimedia Commons under CC BY 2.0 During a tumultuous period for our planet around 466 million years ago, Earth was pelted with meteorites ...

Washington, D.C., has never looked so good. Ron Miller In 2013, he created this series of images that depict famous landmarks on Earth framed by Saturn's rings, painted to scale.

A recent study claims that Earth may have once had a ring. The theory would explain the presence of an odd density of impact craters around the equator dating back to the Ordovician period.