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

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

The discovery challenges the Planet Nine hypothesis, which suggests a massive, unseen planet is influencing the orbits of distant TNOs. While most extreme TNOs show a clustered pattern that supports ...

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

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

In a distant region of space thought to be empty, a newly discovered dwarf planet inspires a debate about the existence of a giant planet hiding out there.

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

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

Spotted beyond Neptune, the newly identified object follows an odd path through space, one that complicates a decades-old ...

While astronomers continue to search for the mysterious "ninth planet”, a possible giant hidden in the extremities of the ...

WASHINGTON: A group of scientists has found a strange new object about 435 miles wide at the far edge of the solar system. It ...

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