A lone body, making one passage around the Sun for every ten by Neptune, is rewriting the rules of planetary dynamics in the outermost reaches of our solar system. The discovery of 2020 VN40 a ...

According to Researchers at the University of Zurich, the two outermost giant planets of the solar system, Uranus and Neptune, have similar masses but are strikingly different. In size, possibly bulk ...

Astronomers have long predicted that deep beneath Neptune’s thick blue clouds lies a super-hot body of water that, despite its high temperature, never boils because of its incredibly high-pressure ...

Astronomers have made an extraordinary discovery at the outer edge of our solar system—a strange space rock that dances in perfect rhythm with Neptune. The object, named 2020 VN40, is part of a group ...