Neptune’s supersonic winds and icy storms revealed a planet so extreme that it forever changed our picture of the solar system. The discovery of Neptune in 1846 was not just the triumph of mathematics ...

Join us for an entertaining look at Space Perspective's innovative Neptune spacecraft, where unforgettable events meet the ...

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.

Images taken by the Hubble Space Telescope document the formation of a Great Dark Spot on Neptune for the first time, report researchers in a new study. Like Jupiter’s Great Red Spot, Neptune’s Great ...

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 ...

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 ...

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: ...