Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.

Behind the planets in the solar system is the Kuiper Belt. An inventory of similar structures around other stars shows how unusual it is.

"We were definitely surprised by the 'kiss' part of kiss-and-capture. There hasn't really been a kind of impact before where the two bodies only temporarily merge before re-separating!" ...

Because Charon is just over half the size of Pluto, the two bodies then began orbiting each other in a cosmic dance in the Kuiper Belt beyond Neptune’s orbit. However, a recent study in Nature ...