A team looking at the dynamics of objects in the Kuiper belt, the ring-shaped region of icy bodies well beyond the orbit of ...

Currently there is a third “interstellar interloper” now passing through the solar system designated as 3i/ATLAS, for the ...

For over a century, researchers have been puzzled by strange gravitational forces seemingly pulling on the orbits of Neptune and Uranus in the distant reaches of our solar system. While some have ...

Take a journey to the outer edges of the solar system and discover how planets, comets, and icy fragments form an invisible ...

The self-professed "Pluto Killer" is at it again. Dr. Michael Brown is now reminiscing about the good old days when one could scour through sky survey data and discover big bright objects in the ...

Astronomers may have detected a dozen large objects lurking beyond the Kuiper Belt at the edge of our solar system, suggesting there could be another equally massive, "second Kuiper Belt" hiding ...

Astronomers have identified an icy, red, planet-like object orbiting the sun 8 billion miles away, a distance that is nearly three times as far as Pluto and stretches the limits of the solar system ...