News

A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be another nail in the coffin for the Planet Nine hypothesis.
The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...
"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...
Astronomers have discovered a new member of a rare and mysterious class of solar system objects known as sednoids - a subset of extreme trans-Neptunian objects (ETNOs) with exceptionally distant, ...
Japan's Subaru Telescope in Hawaii detected a faint, icy body. Now named 2023 KQ14, or Ammonite, it lies well beyond Pluto.
Researchers just got a step closer to understanding the origins of our solar system, with the discovery of an object orbiting ...
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 ...
A tiny object far beyond Pluto, newly discovered by the Subaru Telescope, could reshape our understanding of the early Solar System. Named 2023 KQ14, this rare “sednoid” follows an unusual orbit that ...
Learn more about a sednoid called Ammonite that has been detected in the outer reaches of the Solar System. By Rosie McCall . Jul 21, 2025 6:35 PM Jul 21, 2025 6:42 PM (Image Credit: Sergey ...
The discovery was made by astronomers using the Subaru Telescope, which is situated atop a dormant volcano in Hawaii.
Astronomers discovered the first Sednoid, named Sedna, in 2003. This animation shows the motion of Ammonite over several hours. Credit: NAOJ/ASIAA.