According to study co-author Dr Fumi Yoshida, Neptune is the only known massive object near the outer Solar System that could ...

The Keck Observatory and NASA’s Hubble Space Telescope may have uncovered a "potential three-body system in the Kuiper Belt," ...

Ted Stryk's work was recognized by the International Astronomical Union, which names bodies in the solar system.

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

Perplexity AI scores 360-million-customer win in India; Australian billionaire’s political party suffers data breach, won’t ...

A telescope has discovered a new world on the edge of the Milky Way – potentially confirming the ‘Planet X’ theory. Beyond ...

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

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

Scientists are almost sure that there is a ninth planet. But a study by Japanese astronomers hints that this might not be true. A new cosmic body called a sednoid has been discovered near the Kuiper ...

NASA’s New Horizons spacecraft has been used to demonstrate simple interstellar navigation by measuring the parallax of just ...