Far beyond Neptune, astronomers have finally confirmed a compact clump of icy worlds hiding inside the Kuiper Belt, a feature ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Astronomers at Princeton University have uncovered evidence that the outer solar system is more structured than long believed ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

In late April 2026, a long-period comet will swing through the inner solar system. It will likely be visible with binoculars, ...