Uranus has always been an intriguing planet for astronomers ... This is why so many believe a giant ring system or a lost satellite are the main cause for Uranus’ unique tilt.

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that the next won’t happen until 2040.

Moons, rings, and the frosty secrets below In addition to the atmospheric discoveries, NASA has also noticed fascinating characteristics in Uranus’ and Neptune’s rings and moons. In the quest for ...