CNN — A large asteroid could be reclassified as a dwarf planet -- which could make it the smallest in the solar system -- after new research revealed it's shape, astronomers said on Monday. Nestled in ...

Add Yahoo as a preferred source to see more of our stories on Google. The International Astronomical Union (IAU) currently recognizes five dwarf planets in our solar system, though there are likely ...

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WASHINGTON >> Scientists have identified an object about 435 miles wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a ...

Asteroids are the ancient remnants of our solar system's birth, rocky fragments that never formed into planets. Most of these celestial wanderers inhabit the asteroid belt between Mars and Jupiter, ...

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 ...

Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually. In a new study, planetary scientist Julio A. Fernández of Uruguay’s Universidad ...

NASA's James Webb Space Telescope has infrared vision that lets us peer through the dusty veil of nearby star-forming region NGC 1333. We can see planetary mass objects, newborn stars, and brown ...