Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed “Ammonite,” researchers say it could provide more evidence to the ...

Astronomers used a telescope in Hawaii to find a new object on the outer edges of our solar system, helping to fuel evidence of a long-standing theory about Planet Nine, or Planet X.

"Transitional millisecond pulsars are cosmic laboratories that help us understand how neutron stars evolve in binary systems." ...

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 ...

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