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

A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be ...

A team led by Wang Shiang-yu (王祥宇) and Chen Ying-tung (陳英同) of the Institute of Astronomy and Astrophysics at Academia Sinica ...

The Subaru Telescope has revealed a fourth member of the sednoids, a group of small bodies with peculiar orbits around the ...

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

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

Every once in a while, space gives us something totally unexpected. Well this time, the solar system is surprising us with a ...

Discovered through the Formation of the Outer Solar System: An Icy Legacy (FOSSIL) survey using the Subaru Telescope in ...

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

Astronomers have spotted a distant celestial object named 'Ammonite' that could potentially debunk the existence of the theorized Planet Nine.

Typically, telescopes are synonymous with bringing far-off objects close, but the newest member of the solar system was ...