Kuiper Belt objects like the one New Horizons just flew past are a dime a dozen, but scientists have detailed spacecraft observations of just three such distant, frozen worlds. It may take an ...

The team used narrow constraints: they gave the missions a 25-year shelf life and investigated the 45 brightest Kuiper Belt Objects, comparing them against a variety of planetary flyby scenarios.

In 2023, researchers announced the potential discovery of a dozen new rocky objects lurking beyond the Kuiper Belt. These hefty space rocks, which are likely all asteroids, ...

It's a big mystery out there. Redefining Limits. There may be more than meets the eye with The Kuiper Belt, a ring comprising thousands of large, icy objects and dwarf planets that encircle our ...

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Because the Kuiper Belt was thought to end at a distance of about 48 AU, the Solar System used to seem small compared to exosolar systems, where there are still objects floating around 150 AU from ...

Because letting the public name things has always gone well in the past. NASA is letting the public vote for the nickname for an object in the Kuiper Belt, just past the planet Neptune at the edge … ...

When observing Kuiper Belt objects from the ground, we can only observe them at small solar phase angles (the angle between the sun, the object, and the observer).

When more and more Kuiper Belt objects were discovered, it spawned a new view of the Solar System. This created more questions. Chief among them: why is there so much stuff out there?

Researchers looking for objects in the Kuiper Belt – the donut-shaped region beyond the orbit of Neptune containing icy objects including dwarf planet Pluto – appear to have found 11 objects ...

This could mean that the Kuiper belt extends beyond where we thought or, given the drop-off in objects observed after 50 AU, there is a second belt that begins further out.

One object in the Kuiper Belt, known as Altjira, is the the focus of this study. Over the last 10 years, the Hubble Space Telescope has taken pictures of Altjira and a 2011 study found that it appears ...