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

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 ...

Ukraine has again surprised the international missile design community by taking the wraps off a new version of the R360 Neptune anti-ship missile (ASM). On October 7, this previously unknown version ...

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 ...

One of the most notable properties of the giant planets in our solar system—Jupiter, Saturn, Uranus and Neptune—are the ...