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

A team of astronomers led by Macquarie University has monitored the orbital decay of an extreme exoplanet to gain new ...

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

Astronomers have found 2023 KQ14, nicknamed Ammonite, a rare sednoid with a unique orbit that challenges the Planet Nine hypothesis.

Stars are the fundamental building blocks of our universe. Most stars host planets, like our sun hosts our solar system, and ...