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

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

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

The sednoid 2023 KQ14, nicknamed "Ammonite", was discovered using the Subaru Telescope and is a highly elliptical object with ...

Japan's Subaru Telescope in Hawaii detected a faint, icy body. Now named 2023 KQ14, or Ammonite, it lies well beyond Pluto.

Would one frozen world, just visible on the rim of the Sun’s kingdom, turn decades of speculation on the concealed layout of ...

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

The discovery was made by astronomers using the Subaru Telescope, which is situated atop a dormant volcano in Hawaii.

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

The “new world” was found as part of the survey project FOSSIL (Formation of the Outer Solar System: An Icy Legacy), hence its nickname, Ammonite. An ammonite is a fossil of a cephalopod that died out ...

Japanese astronomers have discovered a potential dwarf planet, nicknamed Ammonite, orbiting the Sun far beyond Neptune, challenging the existence of the theorized Planet Nine.