The International Astronomical Union (IAU) currently recognizes five dwarf planets in our solar system, though there are likely many more. The most famous of the bunch is Pluto, way out beyond the ...

How do you build a planet, let alone one capable of sustaining and evolving life? The clues to the “recipe” can perhaps be found in the leftovers scattered around our solar system. Things like ...

New NASA research hints that Ceres — the closest dwarf planet to Earth — may have once had an ancient "power source" that could have sparked the evolution of extraterrestrial life-forms in the tiny ...

Aliens may have lived in our solar system, according to new research. NASA scientists have unveiled evidence that the dwarf ...

Ceres is a dwarf planet and the largest known object in the asteroid belt between Mars and Jupiter. And now we know it may be an ocean world with intriguing geologic activity taking place on and just ...

Astronomers have long been intrigued by the makeup of the asteroid belt’s largest body. When it was first spotted in 1801, Ceres appeared dry and rocky, its surface marked by craters and dents. For ...

Add Yahoo as a preferred source to see more of our stories on Google. This illustration shows the creation of an asteroid family. Ejected fragments from catastrophic collisions of asteroids between ...

Ceres, the largest object in the asteroid belt between Mars and Jupiter, has long perplexed planetary scientists. Once considered a planet, then an asteroid, and now officially classified as a dwarf ...