A team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids and comets with new solar data sets to develop a revised solar composition that potentially reconciles ...

In 2016, scientists Michael Brown and Konstantin Batygin suggested that an unseen Planet Nine could explain the unusual ...

Named after the icy Kuiper Belt extending from Neptune's orbit, the Project Kuiper constellation will work similarly to Starlink once all of the satellites arrive in low earth orbit. Although it ...

Beyond Neptune lies the Kuiper Belt, a vast region of icy bodies that holds the secrets to the solar system’s formation.

Unusual gravitational effects and strange orbital patterns observed in the Kuiper Belt have intensified speculation. NASA is ...

Legendary Star Lacks Evidence for Large Planet Construction Ever since the dawn of human consciousness, skywatchers have been ...

A ninth planet may exist beyond Neptune in the Kuiper Belt, a region populated by icy bodies that orbit the Sun.

It must have cleared all other celestial bodies, except its own moons, from its orbit.

This hypothetical Neptune-sized planet would circle our Sun on a highly elongated path, far beyond Pluto. It could have a ...