The Keck Observatory and NASA’s Hubble Space Telescope may have uncovered a "potential three-body system in the Kuiper Belt," ...

While for most people Pluto is the most distant planet in the Solar System, things get a lot more fuzzy once you pass Neptune ...

In the frozen outskirts of the solar system, a reddish dwarf planet orbits in silence. Known as Sedna, it is so distant that ...

Atom RSS Feed Asteroids, comets and Kuiper belt are bodies smaller than planets that orbit the sun. Asteroids are composed of metals and rock, whereas comets also contain ice and dust.

Read science articles on the Kuiper Belt, including the latest news on Pluto, Eris, Sedna, Quaoar and other Kuiper Belt objects.

Using the James Webb Space Telescope, scientists spotted thin and thick disks in galaxies as far back as 10 billion years ago—something never seen before. These observations reveal that galaxies first ...

Altjira System This image shows a possible scenario for the 148780 Altjira system in the Kuiper Belt. It is thought to be a hierarchical triple system, where two closely bound companions are orbited ...

NASA’s Incredible Discovery Machine: The Story of the Hubble Space Telescope Thanks to five servicing missions and more than 30 years of operation, our view of the universe and our place within it has ...