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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: NASA, ESA, Joseph Olmsted (STScI) NASA's Hubble Space Telescope has discovered that a ...

The puzzle of predicting how three gravitationally bound bodies move in space has challenged mathematicians for centuries, and has most recently been popularized in the novel and television show '3 ...

This artist's concept depicts one of the possible scenarios for the 148780 Altjira system in the solar system's Kuiper Belt. It is likely a hierarchical triple formation, in which two very close ...