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

We still don't know for sure if there's a ninth planet in our solar system, but a new discovery could help to prove that ...

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

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

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 ...

A stronomers have discovered an incredibly rare non-planetary body lurking on the outer reaches of the Solar System, which ...

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

Planet Nine should appear stationary over the course of a single day but show detectable movement over months.

Growing up, I was taught that there were nine planets in the solar system. That all changed in 2006, when the International Astronomical Union voted to demote Pluto’s status to that of dwarf planet.

But even if it doesn't spot Planet 9 directly, the Rubin Observatory might find some more minor planets, ones whose orbits might be affected by Planet 9. And that could provide additional evidence ...