Washington, DC – Three new objects locked into roughly the same orbit as Neptune--called "Trojan" asteroids--have been found by researchers from the Carnegie Institution's Department of Terrestrial ...

Chinese official calls for prioritizing Neptune orbiter mission A senior Chinese space scientist and delegate to the country’s national congress is proposing the prioritization of an unprecedented ...

Neptune is the furthest planet from the sun in our Solar System. Even when Pluto was still designated a planet, it has an elliptical orbit, bringing it closer to the sun than Neptune for 20-year ...

There are a lot of worlds beyond the orbit of Neptune. Some are dwarf planets, while many others are much smaller rocks floating in the colder edges of our Solar System. But they do not orbit randomly ...

Astronomers used a telescope in Hawaii to find a new object on the outer edges of our solar system, helping to fuel evidence of a long-standing theory about Planet Nine, or Planet X. For years, ...

New images released Wednesday from NASA's James Webb Space Telescope are revealing Neptune, and the planet's hard-to-detect rings, in a fresh light. "It has been three decades since we last saw these ...