Between 1992 and 2018, over 2000 distinct hunks of frozen rock were identified, and it’s likely that there’s at least a ...

Astronomers have, for the first time, captured a gallery of detailed snapshots of planetary systems during their "teenage years," an era long shrouded ...

Now, using the world's largest radio telescope project, the Atacama Large Millimeter/submillimeter Array ( ALMA ), ...

These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated paths far beyond Neptune. Their distant homes in the Kuiper Belt and ...

An artist's illustration of the view from a Kuiper Belt object. (CREDIT: NASA, ESA, and G. Bacon (STScI)) Astronomers at Princeton University have uncovered evidence that the outer solar system is ...

Astronomers at Princeton University have uncovered evidence that the outer solar system is more structured than long believed. Led by astrophysics doctoral student Amir Siraj, the research points to a ...

Led by Amir Siraj, a doctoral student in astrophysics at Princeton University, the study reveals a tightly bound group of Kuiper Belt Objects (KBOs) near the known “kernel” structure; an established ...

Astronomers have found a compact new cluster of objects inside the Kuiper belt, which is a distant band of icy bodies at the edge of our solar system beyond Neptune. The cluster sits 4.0 billion miles ...

Astronomers may have uncovered a massive hidden planet far beyond Neptune, using decades-old infrared data. The object’s faint signal and strange motion suggest something big is lurking in the dark.

Orbiting in reverse around Neptune, Triton is a cosmic rebel with a secret past. This video dives into the evidence that suggests this giant moon was not born around the blue planet but was violently ...