A polar cyclone is swirling on Uranus, further showing that the planet's atmosphere is a hive of hidden activity. When you purchase through links on our site, we may earn an affiliate commission. Here ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

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 ...