Astronomers have found 2023 KQ14, nicknamed Ammonite, a rare sednoid with a unique orbit that challenges the Planet Nine ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

Typically, telescopes are synonymous with bringing far-off objects close, but the newest member of the solar system was discovered using wide-field imaging. The Subaru Telescope has spotted a distant ...

Ammonite joins a tiny group of celestial oddities. It's the fourth known sednoid, a type of distant object with an unusual orbit. Sednoids move far beyond Neptune, the outermost known planet.

A sednoid is an object beyond the orbit of NeptuA rare celestial object beyond Neptune, 2020 VN40, moves in sync with Neptune, offering new insights into the outer solar system and fueling the ...

Astronomers have discovered "Ammonite," a mysterious object on the solar system’s edge whose unusual orbit challenges current ...

Astronomers have announced the discovery of a distant, icy object orbiting the Sun far beyond Neptune, shedding new light on the early history of our solar system. Officially designated 2023 KQ14 and ...

The newly discovered world — a "sednoid" — challenges what planetary scientists thought they knew about the edge of the solar ...