Planet 9 continues to remain elusive. This potential super-Earth-sized object in the outer Solar System is only hypothetical, as something…
Quaoar is one of about 3,000 dwarf planets in our Solar System's Kuiper Belt. Astronomers discovered it in 2002. It's…
If asked to pick what color asteroids in the asteroid belt would be, red is likely not one that would…
Scientists from the Southwest Research Institute (SwRI) have presented the discovery of a binary pair of objects way out in…
Astronomer William Herschel discovered Uranus—and two of its moons—230 years ago. Now a group of astronomers working with data from…
A comet-eating black hole the size of a planet? It's possible. And if there's one out there in the distant…
Hey Pluto, Sedna, Haumea, Makemake Et al.: You’ve got company! While searching for distant galaxies and supernovae, the Dark Energy…
The latest study that looks into the possible existence of Planet 9 offers a new technique, one which is free…
Given its extreme distance from the Sun, Pluto has a very long orbital period. As such, a single year on…
Minor planets like Chariklo are good at keeping their ring systems away from larger planets, and we are beginning to…