Then, when it became apparent that it was too small, it was reclassified as an asteroid — the first to be discovered. In 2006, Ceres was named a dwarf planet in response to the discovery of ...

"When Piazzi discovered Ceres, exploring it was beyond imagination. More than two centuries later, NASA dispatched a machine on a cosmic journey of more than 3 billion miles to reach the distant ...

And we almost certainly will once again call both of them planets. Ceres was discovered on New Year’s Day in 1801, by Italian astronomer Giuseppe Piazzi, a member of an international team of ...

And we almost certainly will once again call both of them planets. Ceres was discovered on New Year’s Day in 1801, by Italian astronomer Giuseppe Piazzi, a member of an international team of ...

Once thought to be a barren, rocky body, known as Ceres, it is now revealing itself as something far more interesting, in the ...

Brian Resnick was Vox’s science and health editor and is the co-creator of Unexplainable, Vox’s podcast about unanswered questions in science. Soon after the dwarf planet Ceres was discovered ...

NASA's Dawn spacecraft discovered Ceres's 4-kilometer (2.5-mile) tall Ahuna Mons cryovolcano in 2015. Other icy worlds in our solar system, like Pluto, Europa, Triton, Charon and Titan, may also ...