NASA researchers got a rare chance to study Uranus' atmosphere and rings this month, when the ice giant passed between Earth and a distant star, creating a "stellar occultation." This rare event ...

Farewell shot of crescent Uranus as Voyager 2 departs, as depicted by Voyager 2 spacecraft. Credit: TIME LIFE PICTURES/NASA/THE LIFE PICTURE COLLECTION/GETTY IMAGES Uranus has always been a bit of ...