When you buy through links on our articles, Future and its syndication partners may earn a commission. What it is: One of the final photographs of Neptune taken by NASA's Voyager 2 probe Where it is: ...

The post New Research Calls Into Question Whether Uranus And Neptune Are Ice Giants After All first on TwistedSifter.

Neptune’s supersonic winds and icy storms revealed a planet so extreme that it forever changed our picture of the solar ...

Launched between August and September 1977, Voyager 1 and Voyager 2 are the oldest and most distant probes built that are still active. They are also the only probes to have left our solar system and ...

We might finally understand what’s going on inside Uranus and Neptune, and the answer is pretty surprising: They may each contain an ocean of water. “We didn’t really know anything before,” about ...

In humanity’s millennia of staring at the stars and decades of launching probes to explore our universe, only two spacecraft carrying working instruments have ever managed to escape the bubble of ...

Bob’s Blog: "It's been a profound experience to actually feel how slow we are by watching myself grow old as we take our first baby steps among the stars" ...

Why it's so special: Only one spacecraft has ever visited the eighth and most distant planet from the sun. On Aug. 25, 1989, NASA's Voyager 2 spacecraft took the first-ever close-up images of Neptune.