Fresh mapping of the outer solar system has revealed a previously unseen pattern in the Kuiper Belt, the icy ring of debris beyond Neptune that has long been treated as a relatively simple torus of ...

A vast region of our solar system, called the Kuiper belt, stretches from the orbit of Neptune out to 50 or so astronomical ...

A newly discovered cluster of objects called the “inner kernel” of the Kuiper belt could teach us about the early history of ...

On a Hawaiian mountaintop in the summer of 1992, a pair of scientists spotted a pinprick of light inching through the constellation Pisces. That unassuming object — located over a billion kilometers ...

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 the ...

The farthest object ever explored is slowly revealing its secrets, as scientists piece together the puzzles of Ultima Thule — the Kuiper Belt object NASA’s New Horizons spacecraft flew past on New ...

The New Horizons mission needs your help. This highly successful endeavor, which has sent home unprecedented views of the most distant worlds we’ve ever seen, is currently slated for a big change. At ...

The biggest blockbuster results from the first weeks of the James Webb Space Telescope’s research have involved seeing massive galaxies across the most extreme distances and times imaginable. But some ...

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The mysterious Kuiper Belt, home to former planet Pluto and its moon Charon, will be a subject of study for the powerful observatory. When you purchase through links on our site, we may earn an ...

Kuiper Belt objects with absolute magnitude less than 3 (radius ?500 km), the dwarf planets, have a range of different ice/rock ratios, and are more rock-rich than their smaller counterparts. Many of ...