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," ...

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

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

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

NASA launched New Horizons to explore Pluto. In 2019, it visited the furthest object in the Solar System we have seen up ...

SpaceX launched the third batch of satellites for Amazon's Project Kuiper broadband megaconstellation early on Wednesday ...

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

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

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

Amazon’s race to challenge SpaceX in orbit is getting a helping hand from its chief competitor: SpaceX, which will launch the ...

SpaceX's Falcon 9 will help launch and deploy a batch of Amazon's Kuiper satellites into orbit that could one day challenge ...