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.

A stronomers have discovered an incredibly rare non-planetary body lurking on the outer reaches of the Solar System, which ...

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

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

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

Astronomers just found a distant space rock called 2020 VN40, orbiting the Sun way out past Neptune. This icy object takes about 164 years to make one lap around the Sun—talk about a long trip! The ...

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

These elusive objects may hold secrets to how the Solar System formed, and even hint at the presence of a mysterious Planet Nine lurking in the shadows. Now, the Subaru Telescope has spotted a new one ...

Despite the powerful telescopes that modern astronomers have to work with, the distant reaches of the Solar System are still ...