Far beyond Neptune, astronomers have finally confirmed a compact clump of icy worlds hiding inside the Kuiper Belt, a feature they are now calling an inner “kernel.” The tightly packed structure, ...

Astronomers might have found evidence of a structure located farbeyond Neptune, potentially giving us clues about the solar system’s primordial past. This discovery involves a dense concentration of ...

The mystery of how planets and icy objects formed in the farthest reaches of our solar system just took an exciting turn. A team of researchers from NASA recently uncovered strong evidence for a rare ...