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 ...

Hundreds of thousands of icy rocks lurk around in the Kuiper Belt, a place discovered just a few decades ago, and exists far beyond Neptune. As a NASA spacecraft sojourns deeper into space, it has ...

Recent observations of the Kuiper Belt have revealed anomalies that suggest the presence of an undiscovered Neptune-sized planet. This potential celestial body, often referred to as “Planet Y,” could ...

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