Uranus and Neptune have been called the “ice giants” for decades. But in new research, that nickname might be more a misnomer ...

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

In pictures of the farthest planets from the sun, Uranus looks like a pale-green orb, while Neptune usually looks much bluer. A new analysis revealed their true colors. Here's NPR's Nell ...

Point a laser at the planet Neptune tonight and it'll take 4 hours for the beam to arrive. For light itself, the fastest thing in the universe, to need so much time to get there, you'd guess the ...

"The complexity of the exo-Neptunian landscape provides offers a unique window onto the processes involved in the formation ...