“No other planet has as many small inner moons as Uranus, and their complex inter-relationships with the rings hint at a chaotic history that blurs the boundary between a ring system and a system of moons,” SETI Institute researcher Matthew Tiscareno said in a statement for NASA.

Mark your calendar so you can catch Mercury, Venus, Jupiter, Saturn, Neptune and Uranus in the sky at the same time.

If you’re willing to get up in the early morning hours you can see up to six planets before sunrise. Mercury, Venus, Jupiter, and Saturn are all visible with the unaided eye, and you can catch Uranus and Neptune with a decent telescope or pair of binoculars.

A new study on Uranus has found it is hotter than we thought, prompting scientists to suggest we should return to the ice giant. While Mars, Jupiter, and Saturn are regularly visited by human spacecraft,

For decades, scientists puzzled over why Uranus seemed colder than expected. Now, an international research team led by the University of Houston has solved the mystery: Uranus emits more heat than it gets from the Sun,

A planetary parade of six planets is visible in the morning sky through August 20, with Mercury joining Venus, Jupiter, Saturn, Uranus, and Neptune. August 18 to 19 offers the best viewing, when the crescent Moon aligns with Jupiter and Venus before shifting into a triangle formation later in the month.