Breaking space news, the latest updates on rocket launches, skywatching events and more! This new ... had also been smaller than normal. The discovery of this Kuiper Belt 2 suggests that was ...

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

There is, however, an outer limit to the Kuiper Belt. Right ... put the Solar System in more of a normal range. It also seems to suggest that, since it is larger than we thought, that it also ...

The primordial solar nebula was much larger than previously thought ... and by 2023, there had been 239 Kuiper Belt objects discovered (for more information, see (2) Fraser et al. 2024). “The most ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the ...

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 ...

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

It's thought that there exist more than 100,000 Kuiper belt objects over 100 km in diameter. The Cold Classical Kuiper Belt Objects, in a subset of the Kuiper Belt, are a class of small bodies ...

Of 40 multiple-body systems identified in the Kuiper Belt, this is just the second identified composed of more than two objects. The researchers think these aren't outliers and there are more ...

A brand-new group of frozen objects, orbiting the sun out beyond the distant Kuiper Belt, has been spotted by the Subaru telescope, working with NASA's New Horizons mission to find new targets for ...