For a long time, it was unclear what auroral activity, if any, might be present on Uranus and Neptune, so far from the Sun: Uranus orbits at around 19 times the distance between the Sun and Earth, and ...

Get the facts on this planet of extremes. Orbiting the Sun at a distance of 4.5 billion kilometres - more than 30 times further out than the Earth - Neptune is a dark, icy world. Receiving just one ...

Even at Neptune's incredible distance from the sun, astronomers have long suspected it has auroras, though they had never seen them until now. The James Webb Space Telescope, a collaboration of ...