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 ...

TEMPE, Ariz. a Quick: What’s the order of the planets in the solar system? Need a little help? Maybe the following mnemonic rings a bell: “My Very Educated Mother Just Served Up Nine Pizzas.” It’s ...

The Solar system is bigger than NASA thought. There are a lot of huge objects at the edge of the solar system that we have not seen but can indirectly estimate. When astronomers say Kuiper Belt Object ...

Scientists have observed that some of Neptune's Trojan asteroids are deep red, possibly revealing what asteroids may have been like in the early days of the solar system. When you purchase through ...

Researchers at the University of Toronto created a model to observe how close a flyby star would have to be to pull a planet from our solar system out of its orbit. Future Publishing via Getty Imag A ...

If a star gets too close to Neptune during a “stellar flyby” and knocks off its axis by 0.1%, it could destabilize the entire solar system as a result, according to research published by Garett Brown ...

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