The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

The Subaru Telescope has made an exciting discovery: a small body beyond Pluto, with implications for the formation, ...

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 ...

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

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 ...

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

As Voyager 1 pushes beyond Pluto, it reveals a shocking truth,the solar system is far vaster and more mysterious than we ever ...

Every once in a while, space gives us something totally unexpected. Well this time, the solar system is surprising us with a ...

A newly found icy object, Ammonite, may be a 4-billion-year-old fossil from the Solar System’s edge—and it’s casting doubt on ...

It took over nine years for New Horizons to reach Pluto after blasting off atop an Atlas 5 rocket on Jan. 19, 2006. After ...

(Web Desk) - Astronomers have discovered a new world circling the outer edges of our solar system. Researchers using the ...

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