The ring around Uranus has a warm glow

Saturn is well known as the planet with rings, but it's hardly the only one. As it turns out, rings around planets aren't all that rare, and at least a few of the planets in our solar system have them. Uranus is one of those worlds, and while its rings are so faint they weren't even spotted until the late 1970s, scientists have shown a great deal of interest in them. Now, a new observation campaign by scientists using Chile's Very Large Telescope and Large Millimeter/submillimeter Array (ALMA) p...