Space is filled with a variety of objects, some blisteringly hot, some tremendously cold, but areas with little to nothing at ...

The solar system's hottest planet and its coldest one will be in conjunction on Friday (March 31), offering a rare opportunity for skywatchers. Venus (the hottest) and Uranus (the coldest) will share ...

The ice giants Uranus and Neptune are shrouded in a frosty and swirling atmosphere of largely hydrogen and helium. And neither planet features a solid surface, which complicates our efforts to explore ...

On April 7, Uranus passed in front of a distant star located 400 light-years away, giving NASA scientists a rare cosmic alignment in which to investigate the distant ice giant. During the hour-long ...