This captivating video explores Sedna, one of the most distant and mysterious dwarf planets in our solar system. Discovered in 2003, Sedna orbits the Sun once every 11,400 years, traveling through icy ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts off for thousands of years. Reading time 3 minutes On November 14, 2003, ...

An artist's conception of the view from the dwarf planet Sedna. David Gerdes of the University of Michigan says the surface of 2014 UZ224 would look much the same. Scientists in Michigan have found a ...

A new model that incorporates data gathered by the JWST could help scientists understand the composition and mass of objects in the distant Kuiper Belt and beyond.

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 ...