The Subaru Telescope has made an exciting discovery: a small body beyond Pluto, with implications for the formation, evolution, and current structure of the outer solar system.

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

The Gemini North telescope and Subaru Telescope have been used to discover most distant merging quasars yet, "seen over 900 ...

In 2003, NASA-funded researchers spotted what was then the most distant object discovered in our Solar System. The dwarf planet, named Sedna after the Inuit goddess of the sea, was found over 12.9 ...

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 ...

Researchers just got a step closer to understanding the origins of our solar system, with the discovery of an object orbiting the sun—dubbed "Ammonite." The findings were recently published in the ...