A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...

Scientists say studying objects like Ammonite, despite their immense distance, offers valuable insight into the solar ...

Astronomers have found that a weird space rock at the edge of the solar system is locked in a rhythmic dance with Neptune. The object, designated 2020 VN40, is part of a family of distant solar system ...

The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

At extreme pressures and temperatures, water becomes superionic — a solid that behaves partly like a liquid and conducts ...

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of other planets out there in the galaxy. But we’re still teasing out clues ...

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

How far out? It’s so far out that the discoverers nicknamed it “Farout.” All they can see is a pinkish dot of light in the night sky, but that is enough to infer that they are looking at a 300-mile ...

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