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

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.

Astronomers have hoped for the existence of Planet Nine for years. Things were looking promising, but this discovery might ...

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 ...

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

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 ...

Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed ...

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