Trying to understand the makeup and evolution of the solar system's Kuiper belt has kept researchers busy since it was hypothesized soon after the discovery of Pluto in 1930. In particular ...

There's no problem, however, with what a team of researchers say is likely a stable trio of icy space rocks in the solar ...

The solar system has many more moons ... New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three separate bodies orbiting one ...

There are also many in a region beyond Neptune called the Kuiper Belt. The solar system also contains small objects called comets. Comets are similar to asteroids, but are made of ice, dust and ...

There are also a few other hang-ups, as these Kuiper Belt bodies can become unstable during their journey toward the inner Solar System, and such a catastrophic impact on Mars could instigate ...

The Kuiper Belt is one of the regions from which comets are sometimes deflected in to the inner solar system. And then beyond that, there's a huge halo of icy objects called the Oort Cloud.

He had his reasons. But the astronomer did not set out to reclassify the solar system’s ninth planet as a dwarf. Brown was interested in the Kuiper Belt, a region of icy comets and asteroids ...