The newly discovered world — a "sednoid" — challenges what planetary scientists thought they knew about the edge of the solar ...

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

Researchers using the Subaru Telescope, located in Hawaii, spotted a small, distant object far beyond Pluto and have named it ...

While astronomers have long searched for a mysterious ninth planet lurking beyond Pluto, a recent discovery is turning that ...

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

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

In 2003, NASA-funded researchers spotted what was then the most distant object discovered in our Solar System. The dwarf ...

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

Astronomers have discovered "Ammonite," a mysterious object on the solar system’s edge whose unusual orbit challenges current ...

Typically, telescopes are synonymous with bringing far-off objects close, but the newest member of the solar system was discovered using wide-field imaging. The Subaru Telescope has spotted a distant ...

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

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 ...