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

Researchers just got a step closer to understanding the origins of our solar system, with the discovery of an object orbiting ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...

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

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

In 2003, NASA-funded researchers spotted what was then the most distant object discovered in our Solar System. The dwarf ...

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

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

Astronomers discover Ammonite, a rare icy object beyond Pluto, challenging Planet Nine theory and offering clues to the solar ...

Astronomers have discovered a new world circling the outer edges of our solar system. So far, there are only four known objects like it in this region of space.

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