Remember a time when the universe felt different? When our solar system had a cherished ninth member, a world that captured our imaginations and our hearts? Then, in a single, earth-shattering moment, ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Astronomers have found a distant celestial body — ...

Add Yahoo as a preferred source to see more of our stories on Google. A composite image comparing the relative sizes of our solar system's known dwarf planets, including the newly discovered 2017 ...

For decades, scientists and the general public have argued over the astronomical status of beloved dwarf planet Pluto. In the latest salvo, NASA Administrator Jared Isaacman said that he was “very ...

Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the edge of our solar system. So many unexplored secrets still lie at the ...

Twenty years after Pluto became a dwarf planet, people are still fighting over its status. Experts explain why the debate feels so personal.

Can be reached at (781) 839-1202 or via e-mail at [email protected]. Why can't we just pull a group of solution providers together and decide there's something in our view that we deem is not what it ...

Mr. Isaacman wants Pluto restored to its honored status as a planet. Apparently that’s what he remembers about it from grade school science. In the featured image above, you can see Pluto over there ...