Sedna is drifting into a part of its path where human technology can finally contemplate catching up, and that window will ...

While for most people Pluto is the most distant planet in the Solar System, things get a lot more fuzzy once you pass Neptune and enter the realm of trans-Neptunian objects (TNOs). Pluto is probably ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of confirmed dwarf planets and their moons. From left to right: Pluto (with ...

Journey to the farthest reaches of our solar system and uncover the mysteries of Sedna, a reddish dwarf planet that orbits the Sun once every 11,400 years. Explore its strange orbit, icy surface, and ...

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 ...

Astronomers searching for the faintest glimmers of light beyond distant Pluto say they’ve discovered a new dwarf planet – and that this planetoid’s movements hint that an invisible giant planet ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects. When you purchase through links on our site, we may earn an affiliate ...