Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the ...

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

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

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

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

WASHINGTON >> Scientists have identified an object about 435 miles wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a ...

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first evidence of the theorized Planet ...

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

Astronomers have found a new minor planet beyond Pluto. This object, named 2017 OF201, is quite large. It orbits far from the ...

The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...

The researchers suspect that the extreme orbit of 2017 OF201 may have been caused by a long-ago close encounter with the gravitational ... potential existence of a ninth planet in our solar system ...