Four decades years after their discovery, the 13 mysterious rings around Uranus surprised astronomers again this summer. In June, new images captured their warm glow for the first time.

The inner moons are small dark bodies that share common properties and origins with Uranus's rings. The five major moons are ellipsoidal, indicating that they reached hydrostatic equilibrium at some ...

on NASA’s James Webb Space Telescope exquisitely captures Uranus’s seasonal north polar cap and dim inner and outer rings. (NASA, ESA, CSA, STScI)“Our findings change the view that the ...

Uranus, which orbits almost 20 times further from the sun than Earth does, has 28 known moons and two sets of rings. The Voyager 2 observations had suggested that its two largest moons - Titania ...