Latest News About Neptune, the Mysterious Blue Planet
Neptune, the other blue planet, is the eighth planet in our solar system. Neptune is an ice giant.
New measurements of Neptune's atmosphere from a European space telescope suggest that a comet may have impacted the outer-most planet in our solar system approximately two centuries ago.
A small space rock that orbits the sun from out beyond Neptune is almost completely coated in water ice, according to a new study.
A Neptune-sized planet orbiting another star has one odd atmosphere – analysis has shown that it lacks methane, a common ingredient for many planets in our solar system and a possible signature of life.
Cloud feature over Neptune's south pole is seen splitting in two, suggesting it could be similar to Saturn's polar vortex.
Water is all over the solar system and the rest of the galaxy. What's it mean to the search for life?
NASA released new pictures of Neptune’s freezing moon Triton, made from data taken by the Voyager 2 spacecraft on its way out of the solar system in 1989.
Nice model of solar system evolution says migration of gas giants pushed asteroids into asteroid belt.
It has long been known that Galileo observed Neptune, but it was thought that he discounted the object as a star.
Neptune is huge. But few have ever seen it. Here's your chance.
Astronomers have discovered a planet somewhat larger and more massive than Neptune.
The nitrogen and methane ice covering Eris could be the result of weather on the dwarf planet.
A simulation shows how thunderstorms create jet streams on giant planets.
SETI invites scuba divers on an expedition to a destination of your choice.
Our solar system may be home, but mysteries remain in its most distant corners.