New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

Ever since the International Astronomical Union recognized Haumea and Makemake as dwarf planets in 2008, University of Maine ...

In this episode of SolarBalls, TRITON continues his quest for origins while his companions explore an intriguing phenomenon.

(Web Desk) - Astronomers have discovered a new world circling the outer edges of our solar system. Researchers using the Subaru Telescope, located in Hawaii, spotted a small, distant object called ...

Astronomers discover Ammonite, a rare icy object beyond Pluto, challenging Planet Nine theory and offering clues to the solar ...

The solar system consists of eight planets, several dwarf planets, hundreds of moons, and billions of asteroids, comets and meteoroids. The exact boundaries of the solar system ar ...

If it weren't for the new budget, New Horizons could keep exploring the outer reaches of the solar system into the 2030s.

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

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

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