Further, we’ll need to learn more about what exactly is keeping the ring around this planet from forming into a moon. That could also help us determine more about future planets we observe and ...

Quaoar, which orbits the sun in the distant Kuiper belt, is the latest small object shown to have a ring like the ones around Saturn ... to qualify as a dwarf planet, pulled by its gravity ...

Being able to detect a ring around a planet that’s about 4.06 billion miles from the sun is a remarkable achievement. What’s even more remarkable was that the astronomers were able to ...