The TNO, which are described as minor planets that orbit the sun at a greater distance than Neptune, were found on the edge ...

The researchers said 2017 OF201 was identified in observations by telescopes in Chile and Hawaii spanning seven years.

Astronomers announced the discovery of a new dwarf planet, provisionally named 2017 OF201, located in the remote outskirts of ...

Scientists have discovered a colossal object approximately 435 miles wide in the frigid outer reaches of our solar system, ...

OF201, a distant dwarf planet candidate with a rare orbit that questions the existence and stability of the Planet Nine theory.

Scientists have recently spotted a huge object far away in the cold outer reaches of our solar system. This ...

Researchers Nathan A. Kaib and Sean N. Raymond have evaluated how passing stars can affect the long-term stability of the ...

For instance, Neptune migrated outward, switching places with Uranus, and pushed a lot of the small, icy bodies into the ...