The planet Uranus and its five biggest moons may not be the sterile worlds scientists have long thought.

Analysis shows that our ideas of the colours of the planets Neptune and Uranus have been wrong.

An influential panel of scientists wants to see a mission to the Solar System's seventh planet.

Scientists define a space project that few, if any, of them will get to see through to completion.

The US space agency reprocesses the Voyager probe's iconic "Pale Blue Dot" picture of Planet Earth.