Far from the Sun, Uranus sits tipped on its side, carrying a magnetic system unlike any other planet’s. Its equator tilts about 97.7 degrees relative to its orbit, so the planet spends long stretches ...

In 1986, Voyager 2 flew by the ice giant Uranus. It was humanity’s first close-up view of the outer planet, and it remains the closest any spacecraft has ever come. On this trip, the spacecraft found ...