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

OF201 is incredibly lightweight on a cosmic scale. Scientists estimate its mass is about 20,000 times less than Earth’s and ...

The object’s aphelion—the farthest point on the orbit from the sun—is more than 1,600 times that of Earth’s orbit,” Institute ...

Researchers discovered a new trans-Neptunian object, 2017 OF201, potentially a dwarf planet, in the outer solar system.

OF201 spends only 1% of its orbital time close enough to us to be detectable. The presence of this single object suggests ...

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 ...

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

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

2017 OF201 is the name of a trans-Neptunian object (TNO) which has been found floating around in our galaxy far, far away. The International Astronomical Union’s Minor Planet Center announced on ...

A new dwarf planet, temporarily named 2017 OF201, has been located in a distant orbit far beyond Pluto. The object, which may be a distant cousin of Pluto, has an orbital path so vast that it ...

The celestial body, designated as 2017 OF201, ranks among the largest distant objects ever detected, providing fresh insights into the Kuiper Belt and the remote regions of our planetary system. The ...