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 ...

The head of NASA says maybe Pluto is a planet after all. He is wrong because Pluto is part of the rest of the solar system ...

There may be a warp in the Kuiper Belt, possibly caused by “Planet Y” — a Mercury-to-Earth-sized world that orbits the sun way beyond the orbit of Neptune. Is there a mysterious “Planet Y” orbiting ...

Because the article for example mentions Eris and Sedna which are NOT KBOs. She's applying "Kuiper" as a generic term for stuff beyond Neptune. That's not what astronomers do. There are some in the ...

A Sanjay Limaye, planetary scientist at the University of Wisconsin-Madison Space Science and Engineering Center: The Kuiper belt, named after astronomer Gerard Kuiper, is a massive, icy region of our ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The trans-Neptunian region, extending beyond Neptune, represents a primordial reservoir of icy and rocky bodies that have remained relatively unchanged since the Solar System’s formation. Central to ...

Scientists have long known many objects floating at the solar system's outer edges resemble snowmen, but the reasons why were never clear. Now, a student at Michigan State University has created the ...

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 ...