The first definition would allow Pluto, along with Ceres and all of Pluto's co-orbital friends, to become planets. The latter ...

Today NASA said that the Dawn spacecraft has fallen out of contact with Earth, presumably because it’s run out of the thruster… Read More The once-mysterious bright spots shining on the surface of the ...

Ultimately, scientists opted to demote Pluto to a dwarf planet rather than raise other dwarf planets in our solar system (like Ceres, the largest asteroid in the asteroid belt) up to planetary status.

An curved arrow pointing right. We all know Neil deGrasse Tyson's stance on Pluto and its status as a planet. But what does the world renowned astrophysicist consider to be the most underrated planet?

116.1 x 162.9 cm. (45.7 x 64.1 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...

Explore the planets with NASA There are five officially recognized dwarf planets in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris, according to NASA. What happened to Pluto?