For generations, rings were the province of giants — Saturn's luminous bands, Jupiter's faint halos — and the assumption held that only worlds of immense mass could cradle such structures. Now the James Webb Space Telescope has quietly dismantled that certainty by revealing that Chariklo, a modest icy body barely 250 kilometres wide drifting between Saturn and Neptune, not only wears two narrow rings but wears them restlessly, shifting their structure on timescales measurable within a human lifetime. In the long story of how we understand our solar system, this small, cold world has opened a d