A potential new dwarf planet has been discovered in the outer reaches of the solar system, and its existence poses the ...

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

Scientists have identified an object about 700km wide inhabiting the frigid outer reaches of our solar system that might ...

American scientists believe they have discovered a new dwarf planet at the edge of the solar system. Named OF201, this object ...

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

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

They said: ‘The discovery of 2017 OF201 is significant because it’s found in a region of the Solar System thought to be empty ...

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

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

It is an evocative idea: a huge and mysterious planet is lurking in the darkness at the edge of our solar system, evading all ...

A new dwarf planet discovery in the outer solar system is challenging the long-standing theory of a hidden giant planet ...