Harvard & Smithsonian has discovered a rare object far beyond Neptune, from a class known as trans-Neptunian objects, th ...

A team of astronomers from Taiwan has uncovered promising evidence suggesting the existence of Planet 9, a hypothesized ...

A team of astronomers discovered a strange object in the outer solar system that is in a resonant orbit with Neptune.

Learn more about a sednoid called Ammonite that has been detected in the outer reaches of the Solar System.

KQ14, nicknamed "Ammonite", was discovered using the Subaru Telescope and is a highly elliptical object with a perihelion and ...

According to study co-author Dr Fumi Yoshida, Neptune is the only known massive object near the outer Solar System that could ...

In the dark, icy outskirts of our solar system—far beyond Neptune's orbit—astronomers have discovered a cosmic oddball that ...

Astronomers have made an extraordinary discovery at the outer edge of our solar system—a strange space rock that dances in ...

Astronomers have discovered a bizarre object in the outer solar system, 2020 VN40, that dances to Neptune’s gravitational ...

A team of astronomers led by the Center for Astrophysics | Harvard & Smithsonian has discovered a rare object far beyond Neptune, from a class known ...

"This is a big step in understanding the outer solar system," team leader Rosemary Pike from the Center for Astrophysics | ...